chaco[9], coach[9], cocha[9], odach[9], chowa[8], wacho[8], dawco[7],
dach[8], wach[7], dhow[7], coda[6], owca[5], owad[5], wado[5], woda[5],
ach[6], cha[6], hoc[6], och[6], cod[5], doc[5], hao[5], dao[4], oda[4], dwa[4], wad[4], wda[4], owa[3],
ha[4], ho[4], oh[4], ad[3], da[3], co[3], do[3], od[3],