bimy[8], bity[8], mity[7], tymi[7], pity[7],
bym[7], byt[7], bim[6], bit[6], myt[6], tym[6], pyt[6], typ[6], mit[5], pit[5],
by[5], bi[4], my[4], ty[4], im[3], mi[3], pi[3],