For helping with learning to read and write, u might find it helpful to be aware of the 100 most used English words which make up nearly half of everything that children read.
They are listed in order of frequency, but I have separated them into the 57 which are compeletely decodable and have entirely regular spellings
a, and, in, is, it, that,
as, at, but, for, had, him, his, not, on, so, they, with, about, an, back, been, big, came, can, did, first, from, get, go, has, her, here, if, just, like, little, made, make, much, must, no, new, off, or, our, out, over, see, them, then, this, up, well, went, will, old.
and the 43 with some tricky letters:
^he, I, of, the, to, was,
all, be, are, have, one, said, we, you, by, my, call, before, come, could, do, down, into, look, me, more, now, only, other, right, she, some, their, there, two, when, want, were, what, where, which, who, your.^