hobo[8], bite[7], beto[7], biot[7], bito[7], boot[7], obie[6], oboi[6],
bet[6], het[6], bit[6], hit[6], bot[6], hot[6], boi[5], obi[5], hoi[5], oho[5], eto[4], toi[4], oto[4],
be[4], eh[4], he[4], bi[4], hi[4], bo[4], ho[4], oh[4], et[3], te[3], ot[3], to[3], eo[2],