amba[7], ameb[7], weba[6], mewa[5],
amb[6], bam[6], bee[5], baw[5], wab[5], web[5], maa[4], mee[4], wam[4], mew[4], ewa[3], ewe[3],
ba[4], be[4], ma[3], em[3], me[3], aa[2], ee[2], ew[2], we[2],