poco[6], mopo[6], opom[6], mono[5], moon[5], opon[5], pono[5], nono[4],
com[5], moc[5], mop[5], noc[4], mon[4], nom[4], omo[4], non[3], ono[3],
co[3], om[3], op[3], po[3], no[2], on[2],
