[Gish]

Уже нашел, если кому надо:
Words:
English 1 - Elm, low, mew, meow, mole, mellow, mow, ower, owl, well, woe.
English 2 - Fight, fights, fig, figs, hit, hits, fit, fits, sit, sight, gifts,
gift, this, its, his, sift.
English 3 - Elm, elms, isle, isles, less, lime, limes, mess, mile, miles, miss,
slim, slims, slime, slimes, smile, smiles.
English 4 - Acorn, any, arc, can, car, con, corn, corny, coy, crayon, crony,
cry, narc, nary, nay, nor, oar, racy, ran, ray, rayon, roan, yarn, yon.
English 5 - Age, aged, are, dagger, dare, dear, drag, ear, egg, era, erg, gad,
gag, gage, gear, grad, grade, rag, rage, raged, ragged, read, red.