abbo[8], babo[8], boba[8], obab[8], baco[7], coba[7], obca[7], bacz[7], bocz[7], bazo[6],
bab[7], bob[7], cab[6], cob[6], abo[5], boa[5], oba[5], baz[5], acz[4], oaz[3],
ba[4], bo[4], co[3], za[2], oz[2],
