a-a a-b a-i a-z aaa aab aad aae aai aam aaz ab- aba abb abd abe abi abm abz ad- ada adb add ade adi adm adz aea aeb aed aee aei aem aez ai- aia aib aid aie aii aim aiz ama amb amd ame ami amm amz az- aza azb azd aze azi azm azz baa bab bad bae bai bam baz bba bbb bbd bbe bbi bbm bda bdb bdd bde bdi bdm bdz be- bea beb bed bee bei bem bez bi- bia bib bid bie bii bim biz bma bmb bmd bme bmi bmm bmz bza bzd bze bzz daa dab dad dae dai dam daz dba dbb dbd dbe dbi dbm dbz dda ddb ddd dde ddi ddm ddz de- dea deb ded dee dei dem dez di- dia dib did die dii dim diz dma dmb dmd dme dmi dmm dmz dza dzb dzd dze dzi eaa eab ead eae eai eam eaz eba ebb ebd ebe ebi ebm ed- eda edb edd ede edi edm eea eeb eed eee eem eia eib eid eie eii eim em- ema emb emd eme emi emm eze ezz i-d ia- iaa iab iad iae iai iam iaz iba ibb ibd ibe ibi ibm ibz ida idb idd ide idi idm ie- iea ied iee iei iem iia iib iid iie iii iim im- ima imb imd ime imi imm imz iza ize izi izm izz maa mab mad mae mai mam maz mba mbb mbd mbe mbi mbm mda mdb mdd mde mdi mdm mdz mea meb med mee mei mem mez mi- mia mib mid mie mii mim miz mma mmb mmd mme mmi mmm mmz mza mzb mzi mzm zaa zab zad zai zam zaz zbb zbm zdm zea zeb zed zee zem zez zia zib zid zie zim ziz zma zmb zmd zmm zzz