a-a a-b a-i a-t a-z aaa aab aad aae aai aak aat aaz ab- aba abb abd abe abi abk abt abz ad- ada adb add ade adi adk adt adz aea aeb aed aee aei aek aet aez ai- aia aib aid aie aii aik ait aiz aka akb akd ake aki akk at- ata atb atd ate ati att atz az- aza azb azd aze azi azt azz baa bab bad bae bai bak bat baz bba bbb bbd bbe bbi bbk bbt bda bdb bdd bde bdi bdk bdt bdz be- bea beb bed bee bei bek bet bez bi- bia bib bid bie bii bik bit biz bka bkb bke bkk bkt bta btb btd bte bti btk btt btz bza bzd bze bzz daa dab dad dae dai dak dat daz dba dbb dbd dbe dbi dbk dbt dbz dda ddb ddd dde ddi ddk ddt ddz de- dea deb ded dee dei dek det dez di- dia dib did die dii dik dit diz dka dkb dke dki dkk dkt dta dtb dtd dte dti dtk dtt dtz dza dzb dzd dze dzi eaa eab ead eae eai eak eat eaz eba ebb ebd ebe ebi ebk ebt ed- eda edb edd ede edi edk edt eea eeb eed eee eek eet eia eib eid eie eii eik eit eka ekb ekd eke eki ekt eta etb etd ete eti etk ett etz eze ezz i-d ia- iaa iab iad iae iai iat iaz iba ibb ibd ibe ibi ibk ibt ibz ida idb idd ide idi idk idt ie- iea ied iee iei iek iet iia iib iid iie iii iit ika ikb ike iki ikk ikt ita itb itd ite iti itk itt itz iza ize izi izz k-t k-z ka- kaa kab kad kae kai kak kat kaz kba kbb kbd kbe kbi kbk kbz kda kdb kde kdk kdt ke- kea keb ked kee kei kek ket kez kia kib kid kie kii kik kit kiz kkb kke kki kkk kkt kta ktb kte ktk ktt taa tab tad tae tai tak tat taz tba tbb tbd tbe tbi tbk tbt tbz tda tdb tdd tde tdi tdk tdt te- tea teb ted tee tei tek tet tez tia tib tid tie tii tik tit tiz tka tkb tke tkk tkt tkz tta ttb ttd tte tti ttk ttt tza tzd tze zaa zab zad zai zak zat zaz zbb zbt zdt zea zeb zed zee zek zet zez zia zib zid zie zik zit ziz zka zta zte zzt zzz