abbo[8], babo[8], boba[8], obab[8], bano[6], baon[6], bona[6], napo[5],
bab[7], bob[7], ban[5], abo[5], boa[5], oba[5], bon[5], nap[4], pan[4], ano[3], ona[3],
ba[4], bo[4], pa[3], op[3], po[3], na[2], no[2], on[2],
