a-a a-b a-i a-t a-z aaa aab aad aai aan aat aaz ab- aba abb abd abi abn abt abz ad- ada adb add adi adn adt adz ai- aia aib aid aii ain ait aiz an- ana anb and ani ann ant anz at- ata atb atd ati atn att atz az- aza azb azd azi azn azt azz baa bab bad bai ban bat baz bba bbb bbd bbi bbn bbt bda bdb bdd bdi bdt bdz bi- bia bib bid bii bin bit biz bna bnb bnd bni bnn bnt bnz bta btb btd bti btn btt btz bza bzd bzn bzz daa dab dad dai dan dat daz dba dbb dbd dbi dbn dbt dbz dda ddb ddd ddi ddn ddt ddz di- dia dib did dii din dit diz dna dnb dnd dni dnn dnt dnz dta dtb dtd dti dtn dtt dtz dza dzb dzd dzi i-d ia- iaa iab iad iai ian iat iaz iba ibb ibd ibi ibn ibt ibz ida idb idd idi idn idt iia iib iid iii iin iit in- ina inb ind ini inn int ita itb itd iti itn itt itz iza izi izz n-i naa nab nad nai nan nat naz nba nbb nbd nbi nbn nbt nda ndb ndd ndi ndn ndt nia nib nid nii nin nit niz nna nnb nni nnn nnt nnz nta ntb ntd nti ntn ntt ntz nzb nzd nzi nzz taa tab tad tai tan tat taz tba tbb tbd tbi tbn tbt tbz tda tdb tdd tdi tdn tdt tia tib tid tii tin tit tiz tna tnb tnd tni tnn tnt tnz tta ttb ttd tti ttn ttt tza tzd zaa zab zad zai zan zat zaz zbb zbt zdt zia zib zid zin zit ziz znd znn zta zzt zzz