As u seem interested in the different ways the 44 English sounds can be spelt, I'll paste in the summary from my research. (The figures in brackets show how many of the 7,000 most used English words which I have analysed use the main/most used spelling - and how many spell it differently. 0 stands for 'no exceptions'.)
-ain: rain – lane, vein, reign, champagne (39 – 19)
-ay: play – they, weigh,ballet,cafe, matinee (35 – 20)
cr/cl: crab/ clot – chrome, chlorine (192 – 10)
-c: lilac –stomach, anorak (89 – 9)
-ck: neck –cheque, rec (62 – 6)
k: kite/ kept – chemistry (124 – 7)
-k: seek –unique (36 – 5)
-sk: risk –disc, mosque (86 – 10)
qu: quick – acquire, choir (78 – 4)
x: fix – accept, except, exhibit (98 – 15)
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e: end– head, any, said, Wednesday, friend, leisure,
leopard, bury (301 – 67)
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er: her – turn, bird, learn, word, journey (70er – 124)
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ee: eat– eel, even, ceiling, field, police,people,
me, key,ski, debris, quay (152ea – 304)
--y: jolly– trolley, movie, corgi (475 – 39)
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f: fish– photo, stuff, rough (580 - 44)
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g: garden– ghastly, guard (171– 28)
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h: house– who (237 – 4)
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i: ink– mystery, pretty, sieve, women, busy, build (421 – 53)
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i-e: bite – might, style, mild, kind, eider, height, climb
island indict sign (278 – 76)
-y: my – high,pie, rye, buy, I, eye (17 – 14)
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j: jam/ jog/ jug (0)
jelly, jig – gentle, ginger (18 – 20)
-ge: gorge (0)
-dg: fidget– digit (29 – 11)
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l: last– llama (1,945 – 1)
20: m: mum– dumb, autumn (1,128 – 19)
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n: nose– knot, gone, gnome, mnemonic (2,312 – 34)
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-ng: ring (0) 22
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o: on– cough, sausage, gone(357 – 5)
want – wont (19 – 1); quarrel– quod (10 -1)
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o-e: mole – bowl, roll, soul; old – mould
boast, most, goes, mauve (171 – 100)
-o: no –toe, dough, sew, cocoa, pharaoh, oh, depot (106 – 59)
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oi: oil– oyster (29 –1)
-oy: toy –buoy (12 – 1)
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oo (long): food– rude, shrewd, move, group, fruit, truth, tomb,
blue, do, shoe,through, manoeuvre (94 – 108)
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oo (short): good– would, put, woman, courier (15 -21)
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or: order– board, court; wart, quart– worn, quorn (188 – 16)
-ore:more – soar, door, four, war, swore,abhor (23– 17)
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ou: out– town (74 – 24);
-ow: now – plough (11 – 4)
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p: pin (0)
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r: rug– rhubarb, write (1,670 – 27)
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s: sun – centre,scene (138 – 49)
-ce: face – case; fancy– fantasy (153 – 65)
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sh: shop – chute, sure, moustache, liquorice (166 – 30)
-tion: ignition– mission, pension, suspicion,fashion (216 – 81)
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t: tap, pet – pterodactyl, two, debt (1,398 – 4)
--te: delicate – democrat (52 – 3)
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th (sharp): this (0)
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th (soft): thing (0)
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u: up– front, some, couple, blood (308 – 68)
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u-e: cute – you,newt, neutral, suit, beauty, Tuesday, nuclear (137 – 21)
-ue: cue –few, view,menu (20– 22)
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v: van (0)
-ve: have –spiv (116– 3) [80 with surplus –e]
-v-: river– chivvy (73 – 7) – v/vv after short vowel
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w: window– which (216 – 31)
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y: yak– use (31 – 11)
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z: zip– xylophone (16 – 1)
-se: rose –froze (85– 33)
wise– size (UK 31 – 3, US 11 – 22)
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zh: -si-/-su-: vision, measure – azure (20 – 3)
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Unstressed, unclear vowel sound (or schwa),
occurring mainly in 8 endings and 2 prefixes:
-able: loveable– credible(33 – 17)
-ccle: bundle (2 consonants + -le for -l) (0)
-al: vertical– novel, anvil, petrol (200+ – 32)
-ary: ordinary– machinery, inventory, century,carpentry(37 – 55)
-en: fasten– abandon, truncheon, orphan, goblin, certain (73 – 132)
-ence: absence– balance (33 – 26)
-ent: absent – pleasant (176 – 58)
-er: father –author, armour, nectar, centre, injure,quota (UK 340, US 346 – 135/129)
butcher – picture (42 –ure)
de-: decide – divide (57 – 29)
in-: indulge – endure (73 – 30)
I am sorry that this system makes it impossible to copy and paste with formatting for picking out the crucial letters, but I think it's still possible to see which spellings have few excetptions and which have many.