a-a a-b a-i a-z aaa aab aai aam aan aar aaz ab- aba abb abi abm abn abr abz ai- aia aib aii aim ain air aiz ama amb ami amm amn amr amz an- ana anb ani anm ann anr anz ar- ara arb ari arm arn arr arz az- aza azb azi azm azn azz baa bab bai bam ban bar baz bba bbb bbi bbm bbn bbr bi- bia bib bii bim bin bir biz bma bmb bmi bmm bmn bmr bmz bna bnb bni bnn bnr bnz bra brb bri brm brn brr brz bza bzn bzr bzz ia- iaa iab iai iam ian iar iaz iba ibb ibi ibm ibn ibr ibz iia iib iii iim iin iir im- ima imb imi imm imn imz in- ina inb ini inm inn inr ir- ira irb iri irm irn irr iza izi izm izz m-r maa mab mai mam man mar maz mba mbb mbi mbm mbr mi- mia mib mii mim min mir miz mma mmb mmi mmm mmn mmr mmz mna mnb mni mnm mnn mnr mnz mra mrb mri mrm mrn mrr mrz mza mzb mzi mzm mzn n-i naa nab nai nam nan nar naz nba nbb nbi nbm nbn nbr nia nib nii nim nin nir niz nma nmb nmi nmm nmn nmr nmz nna nnb nni nnm nnn nnz nra nrb nri nrm nrn nrr nrz nzb nzi nzz ra- raa rab rai ram ran rar raz rba rbb rbi rbm rbn rbr ria rib rii rim rin rir riz rma rmb rmi rmm rmn rmr rna rnb rni rnm rnn rnr rnz rra rrb rri rrm rrn rrr rza rzb rzm zaa zab zai zam zan zar zaz zbb zbm zbr zia zib zim zin zir ziz zma zmb zmm znn zzr zzz