boni[6], niob[6], oboi[6], bono[6], obon[6], nipo[5], pion[5], opon[5], pono[5], nono[4],
bin[5], ibn[5], boi[5], obi[5], bon[5], nip[4], pin[4], pni[4], poi[4], ino[3], oni[3], non[3], ono[3],
bi[4], bo[4], pi[3], op[3], po[3], in[2], ni[2], no[2], on[2],
