Mrz, up is regular and not on the list.
come (coming) mother other one some something - once are exceptions to the spelling.
-ain as a syllable is more comon than -ane, but the main spelling for the /ai/ sound is ** (bake, make, take, late, date....).
The main spelling for the /ou/ sound inside words is ** and in endings (but ow have variable sounds: how low, blown down). The spelling occurs mainly before and , but there is no real rule:
brown, brownie, clown, crown, down, drown, eider-down, frown, gown, town
abound, account, amount, announce, around, astound, bounced, bound, boundary, compound, council, counsel, count, counter, county, encounter, flounder, found, foundation, fountain, ground, hound, house , lounge, mound, mount , mountain, ounce, pounce, pound, profound, pronounce, rebound, round, scoundrel, sound, surround,
Anyone interested in the exceptions to the main English spelling patterns can see them all at englishspellingproblems.blogspot.com