-al a-a a-b a-c aaa aab aac aah aal aam aan ab- aba abb abc abh abl abm abn ac- aca acb acc ach acl acm acn aha ahb ahc ahh ahl ahm ahn al- ala alb alc alh all alm aln ama amb amc amh aml amm amn an- ana anb anc anh anl anm ann baa bab bac bah bal bam ban bba bbb bbc bbh bbl bbm bbn bca bcb bcc bch bcl bcm bcn bha bhb bhc bhh bhl bhm bla blb blc blh bll blm bln bma bmb bmc bmh bml bmm bmn bna bnb bnc bnl bnn c-- caa cab cac cah cal cam can cba cbb cbc cbh cbl cbm cbn cca ccb ccc cch ccl ccm ccn ch- cha chb chc chh chl chm chn cl- cla clb clc clh cll clm cln cma cmb cmc cmh cml cmm cmn cn- cna cnb cnc cnh cnl cnm cnn haa hab hac hah hal ham han hba hbb hbc hbh hbl hbm hbn hca hcb hcc hch hcl hcm hcn hha hhb hhc hhh hhl hhm hhn hla hlb hlc hlh hll hlm hln hma hmb hmc hmh hml hmm hna hnb hnc hnh hnl hnn la- laa lab lac lah lal lam lan lba lbb lbc lbh lbl lbm lca lcb lcc lch lcl lcm lcn lha lhb lhc lhh lla llb llc lll llm lln lma lmb lmc lmh lml lmm lmn lna lnb lnc lnh lnl lnm lnn maa mab mac mah mal mam man mba mbb mbc mbh mbl mbm mc- mca mcb mcc mch mcl mcm mcn mha mhc mhh mhl mhm mhn mla mlb mlc mlh mll mlm mln mma mmb mmc mmh mml mmm mmn mna mnb mnc mnl mnm mnn naa nab nac nah nal nam nan nba nbb nbc nbl nbm nbn nca ncb ncc nch ncl ncm ncn nha nhb nhc nhh nhl nhm nhn nla nlb nlc nlh nll nlm nln nma nmb nmc nmh nml nmm nmn nna nnb nnc nnh nnl nnm nnn