a-a a-b a-i a-z aaa aab aai aam aan aaz ab- aba abb abi abm abn abz ai- aia aib aii aim ain aiz ama amb ami amm amn amz an- ana anb ani anm ann anz az- aza azb azi azm azn azz baa bab bai bam ban baz bba bbb bbi bbm bbn bi- bia bib bii bim bin biz bma bmb bmi bmm bmn bmz bna bnb bni bnn bnz bza bzn bzz ia- iaa iab iai iam ian iaz iba ibb ibi ibm ibn ibz iia iib iii iim iin im- ima imb imi imm imn imz in- ina inb ini inm inn iza izi izm izz maa mab mai mam man maz mba mbb mbi mbm mi- mia mib mii mim min miz mma mmb mmi mmm mmn mmz mna mnb mni mnm mnn mnz mza mzb mzi mzm mzn n-i naa nab nai nam nan naz nba nbb nbi nbm nbn nia nib nii nim nin niz nma nmb nmi nmm nmn nmz nna nnb nni nnm nnn nnz nzb nzi nzz zaa zab zai zam zan zaz zbb zbm zia zib zim zin ziz zma zmb zmm znn zzz