dach[8], dech[8], echa[7], heca[7], echo[7], heco[7], coda[6],
ach[6], cha[6], che[6], ech[6], hec[6], hoc[6], och[6], cod[5], doc[5], hao[5], dao[4], oda[4], deo[4], ode[4],
ha[4], eh[4], he[4], ho[4], oh[4], ad[3], da[3], ce[3], de[3], co[3], do[3], od[3], eo[2],
