abby[9], baby[9], abba[8], baba[8], abym[8], amba[7], bazy[7], maya[6], baza[6], azym[6],
bab[7], bym[7], amb[6], bam[6], aby[6], bzy[6], may[5], yam[5], baz[5], maa[4], aaa[3],
by[5], ba[4], my[4], ma[3], aa[2], za[2],
