a-a a-b a-i a-z aaa aab aad aae aah aai aaz ab- aba abb abd abe abh abi abz ad- ada adb add ade adh adi adz aea aeb aed aee aeh aei aez aha ahb ahd ahe ahh ahi ahz ai- aia aib aid aie aih aii aiz az- aza azb azd aze azi azz baa bab bad bae bah bai baz bba bbb bbd bbe bbh bbi bda bdb bdd bde bdh bdi bdz be- bea beb bed bee beh bei bez bha bhb bhd bhe bhh bhi bi- bia bib bid bie bih bii biz bza bzd bze bzh bzz daa dab dad dae dah dai daz dba dbb dbd dbe dbh dbi dbz dda ddb ddd dde ddh ddi ddz de- dea deb ded dee deh dei dez dh- dha dhb dhd dhe dhh dhi di- dia dib did die dih dii diz dza dzb dzd dze dzi eaa eab ead eae eah eai eaz eba ebb ebd ebe ebh ebi ed- eda edb edd ede edh edi eea eeb eed eee eha ehb ehd ehe ehh ehi eia eib eid eie eii eze ezh ezz h-i haa hab had hae hah hai haz hba hbb hbd hbe hbh hbi hbz hda hdb hdd hde hdh hdi hdz he- hea heb hed hee heh hei hez hha hhb hhd hhe hhh hhi hhz hia hib hid hie hih hii hzd hze i-d ia- iaa iab iad iae iah iai iaz iba ibb ibd ibe ibh ibi ibz ida idb idd ide idh idi ie- iea ied iee iei iha ihb ihd ihe ihh ihi iia iib iid iie iih iii iza ize izh izi izz zaa zab zad zah zai zaz zbb zea zeb zed zee zeh zez zha zhe zhi zia zib zid zie ziz zzz