bach[9], chap[8], pach[8], pcha[8], baco[7], coba[7], obca[7], paco[6],
cab[6], ach[6], cha[6], cob[6], hoc[6], och[6], hop[6], abo[5], boa[5], oba[5], hao[5], cap[5], pac[5],
ba[4], ha[4], bo[4], ho[4], oh[4], co[3], pa[3], op[3], po[3],
