a-a a-b a-i a-z aaa aab aae aag aai aam aao aaz ab- aba abb abe abg abi abm abo abz aea aeb aee aeg aei aem aeo aez ag- aga agb age agg agi agm ago agz ai- aia aib aie aig aii aim aio aiz ama amb ame amg ami amm amo amz aoa aob aoe aog aoi aom aoo az- aza azb aze azg azi azm azo azz baa bab bae bag bai bam bao baz bba bbb bbe bbg bbi bbm bbo be- bea beb bee beg bei bem beo bez bga bgb bge bgg bgi bgm bgo bgz bi- bia bib bie big bii bim bio biz bma bmb bme bmg bmi bmm bmo bmz boa bob boe bog boi bom boo boz bza bze bzo bzz eaa eab eae eag eai eam eao eaz eba ebb ebe ebg ebi ebm ebo eea eeb eee eeg eem eeo ega egb ege egg egi egm ego eia eib eie eig eii eim eio em- ema emb eme emg emi emm emo eo- eoa eob eoe eog eoi eom eoo eze ezo ezz gaa gab gae gag gai gam gao gaz gba gbe gbg gbi gbm gbo gbz ge- gea geb gee geg gei gem geo gez gga ggb ggg ggi ggm ggo ggz gia gib gie gig gii gim gio giz gma gmb gme gmg gmi gmm gmo gmz goa gob goe gog goi gom goo goz gza gzo ia- iaa iab iae iag iai iam iao iaz iba ibb ibe ibg ibi ibm ibo ibz ie- iea iee ieg iei iem iga igb ige igg igi igm igo iia iib iie iii iim iio im- ima imb ime img imi imm imo imz io- ioa iob ioe iog ioi iom ioo iza ize izi izm izo izz m-o maa mab mae mag mai mam mao maz mba mbb mbe mbg mbi mbm mbo mea meb mee meg mei mem meo mez mga mgb mge mgi mgm mgo mgz mi- mia mib mie mig mii mim mio miz mma mmb mme mmg mmi mmm mmo mmz moa mob moe mog moi mom moo moz mza mzb mzi mzm o-i oaa oab oae oag oai oam oao ob- oba obb obe obg obi obm obo oea oeb oee oeg oei oem oeo oga oge ogg ogi ogo oia oib oie oii oim oio oiz om- oma omb ome omg omi omm omo omz oo- ooa oob oog ooi oom ooo oza oze ozm ozo ozz z-g zaa zab zag zai zam zao zaz zbb zbm zea zeb zee zem zeo zez zgb zgg zgi zia zib zie zig zim zio ziz zma zmb zmm zo- zoa zob zoe zog zoi zom zoo zzz