a-a a-b a-z aaa aab aak aam aau aaz ab- aba abb abk abm abu abz aka akb akk akm aku ama amb amk amm amu amz au- aua aub auk aum auz az- aza azb azm azu azz b-u baa bab bak bam bau baz bba bbb bbk bbm bbu bka bkb bkk bkm bma bmb bmk bmm bmu bmz bua bub buk bum buu buz bza bzu bzz k-z ka- kaa kab kak kam kau kaz kba kbb kbk kbm kbu kbz kkb kkk kkm kku kma kmb kmk kmm kmu kmz kub kuk kum kuu maa mab mak mam mau maz mba mbb mbk mbm mbu mka mkb mkk mkm mku mkz mma mmb mmk mmm mmu mmz mua mub muk mum muu mza mzb mzm ua- uaa uab uak uam uau uaz uba ubb ubk ubu uka ukb ukk uku ukz um- uma umb umm umu uua uum uuu uza uzb uzu zaa zab zak zam zaz zbb zbm zka zma zmb zmk zmm zub zuk zum zuz zzz