a-a a-b a-i a-z aaa aab aad aai aak aaz ab- aba abb abd abi abk abz ad- ada adb add adi adk adz ai- aia aib aid aii aik aiz aka akb akd aki akk az- aza azb azd azi azz baa bab bad bai bak baz bba bbb bbd bbi bbk bda bdb bdd bdi bdk bdz bi- bia bib bid bii bik biz bka bkb bkk bza bzd bzz daa dab dad dai dak daz dba dbb dbd dbi dbk dbz dda ddb ddd ddi ddk ddz di- dia dib did dii dik diz dka dkb dki dkk dza dzb dzd dzi i-d ia- iaa iab iad iai iaz iba ibb ibd ibi ibk ibz ida idb idd idi idk iia iib iid iii ika ikb iki ikk iza izi izz k-z ka- kaa kab kad kai kak kaz kba kbb kbd kbi kbk kbz kda kdb kdk kia kib kid kii kik kiz kkb kki kkk zaa zab zad zai zak zaz zbb zia zib zid zik ziz zka zzz