chaco[9], coach[9], cocha[9], achom[9], macho[9], omach[9],
cham[8], mach[8], haom[7], ohma[7], maco[6],
ach[6], cha[6], hoc[6], och[6], mho[6], ohm[6], mac[5], hao[5], com[5], moc[5], moa[4], oma[4],
hm[5], ha[4], ho[4], oh[4], ma[3], co[3], om[3],
