cham[8], mach[8], acha[7], haom[7], ohma[7], maca[6], maco[6],
ach[6], cha[6], hoc[6], och[6], mho[6], ohm[6], aha[5], mac[5], hao[5], com[5], moc[5], maa[4], moa[4], oma[4],
hm[5], ha[4], ho[4], oh[4], ma[3], co[3], om[3], aa[2],