bety[8], boty[8], byto[8], toby[8], beto[7], boye[7], hoye[7],
byt[7], bet[6], het[6], bot[6], hot[6], boy[6], oby[6], hoy[6], ety[5], eto[4],
by[5], be[4], eh[4], he[4], bo[4], ho[4], oh[4], ty[4], et[3], te[3], ot[3], to[3], eo[2],
