pomb[8], ambo[7], boom[7], obom[7], mapo[6], mopa[6], mopo[6], opom[6],
amb[6], bam[6], bom[6], mob[6], abo[5], boa[5], oba[5], map[5], mop[5], moa[4], oma[4], omo[4],
ba[4], bo[4], ma[3], om[3], pa[3], op[3], po[3],
