a-a a-b aaa aab aah aak aam ab- aba abb abh abk abm aha ahb ahh ahk ahm aka akb akh akk akm ama amb amh amk amm baa bab bah bak bam bba bbb bbh bbk bbm bha bhb bhh bhk bhm bka bkb bkk bkm bma bmb bmh bmk bmm haa hab hah hak ham hba hbb hbh hbk hbm hha hhb hhh hhk hhm hka hkb hkh hkk hkm hma hmb hmh hmk hmm ka- kaa kab kah kak kam kba kbb kbh kbk kbm kha khh khk khm kkb kkh kkk kkm kma kmb kmh kmk kmm maa mab mah mak mam mba mbb mbh mbk mbm mha mhh mhk mhm mka mkb mkh mkk mkm mma mmb mmh mmk mmm