bety[8], demy[7], edty[7], tedy[7], mety[7], myte[7],
dyb[7], bym[7], byt[7], bet[6], dym[6], myt[6], tym[6], dem[5], edt[5], met[5], ety[5],
by[5], be[4], my[4], ty[4], de[3], em[3], me[3], et[3], te[3],
