a-a a-b a-i a-z aaa aab aad aai aan aaz ab- aba abb abd abi abn abz ad- ada adb add adi adn adz ai- aia aib aid aii ain aiz an- ana anb and ani ann anz az- aza azb azd azi azn azz baa bab bad bai ban baz bba bbb bbd bbi bbn bda bdb bdd bdi bdz bi- bia bib bid bii bin biz bna bnb bnd bni bnn bnz bza bzd bzn bzz daa dab dad dai dan daz dba dbb dbd dbi dbn dbz dda ddb ddd ddi ddn ddz di- dia dib did dii din diz dna dnb dnd dni dnn dnz dza dzb dzd dzi i-d ia- iaa iab iad iai ian iaz iba ibb ibd ibi ibn ibz ida idb idd idi idn iia iib iid iii iin in- ina inb ind ini inn iza izi izz n-i naa nab nad nai nan naz nba nbb nbd nbi nbn nda ndb ndd ndi ndn nia nib nid nii nin niz nna nnb nni nnn nnz nzb nzd nzi nzz zaa zab zad zai zan zaz zbb zia zib zid zin ziz znd znn zzz