buba[10], bobu[10], bomb[9], ambu[9], umba[9], bomu[9], umbo[9], abba[8], baba[8], abbo[8], babo[8], boba[8], obab[8], amba[7], ambo[7],
bub[9], bum[8], umb[8], bab[7], bob[7], obu[7], amb[6], bam[6], bom[6], mob[6], abo[5], boa[5], oba[5], aua[5], maa[4], moa[4], oma[4],
bu[6], mu[5], ba[4], bo[4], au[4], ma[3], om[3], aa[2],
