ambu[9], umba[9], amba[7], ameb[7],
bum[8], umb[8], amb[6], bam[6], emu[6], bee[5], aua[5], maa[4], mee[4],
bu[6], mu[5], ba[4], be[4], au[4], ma[3], em[3], me[3], aa[2], ee[2],
