abbo[8], babo[8], boba[8], obab[8], boga[8], bota[7], toga[7], tato[6],
bab[7], bob[7], bat[6], tab[6], tag[6], bot[6], tog[6], abo[5], boa[5], oba[5], ago[5], tao[4],
ba[4], ag[4], bo[4], go[4], at[3], ta[3], ot[3], to[3],
