a-a a-b a-i a-z aaa aab aai aak aan aaz ab- aba abb abi abk abn abz ai- aia aib aii aik ain aiz aka akb aki akk akn an- ana anb ani ank ann anz az- aza azb azi azn azz baa bab bai bak ban baz bba bbb bbi bbk bbn bi- bia bib bii bik bin biz bka bkb bkk bkn bna bnb bni bnk bnn bnz bza bzn bzz ia- iaa iab iai ian iaz iba ibb ibi ibk ibn ibz iia iib iii iin ika ikb iki ikk in- ina inb ini ink inn iza izi izz k-z ka- kaa kab kai kak kan kaz kba kbb kbi kbk kbn kbz kia kib kii kik kin kiz kkb kki kkk kkn kn- kna kni knk knn n-i naa nab nai nak nan naz nba nbb nbi nbk nbn nia nib nii nik nin niz nka nki nkk nkn nna nnb nni nnk nnn nnz nzb nzi nzz zaa zab zai zak zan zaz zbb zia zib zik zin ziz zka znn zzz