a-a a-b a-z aaa aab aae aag aam aao aau aaz ab- aba abb abe abg abm abo abu abz aea aeb aee aeg aem aeo aeu aez ag- aga agb age agg agm ago agu agz ama amb ame amg amm amo amu amz aoa aob aoe aog aom aoo aou au- aua aub aue aug aum auo auz az- aza azb aze azg azm azo azu azz b-u baa bab bae bag bam bao bau baz bba bbb bbe bbg bbm bbo bbu be- bea beb bee beg bem beo beu bez bga bgb bge bgg bgm bgo bgu bgz bma bmb bme bmg bmm bmo bmu bmz boa bob boe bog bom boo bou boz bua bub bue bug bum buo buu buz bza bze bzo bzu bzz eaa eab eae eag eam eao eau eaz eba ebb ebe ebg ebm ebo ebu eea eeb eee eeg eem eeo ega egb ege egg egm ego egu em- ema emb eme emg emm emo emu eo- eoa eob eoe eog eom eoo eou eu- eua eub eue eug eze ezo ezz gaa gab gae gag gam gao gau gaz gba gbe gbg gbm gbo gbu gbz ge- gea geb gee geg gem geo geu gez gga ggb ggg ggm ggo ggu ggz gma gmb gme gmg gmm gmo gmz goa gob goe gog gom goo gou goz gu- gua gub gue gug gum guo guu guz gza gzo gzu m-o maa mab mae mag mam mao mau maz mba mbb mbe mbg mbm mbo mbu mea meb mee meg mem meo meu mez mga mgb mge mgm mgo mgu mgz mma mmb mme mmg mmm mmo mmu mmz moa mob moe mog mom moo mou moz mua mub mue mug mum muu mza mzb mzm oaa oab oae oag oam oao oau ob- oba obb obe obg obm obo obu oea oeb oee oeg oem oeo oga oge ogg ogo om- oma omb ome omg omm omo omu omz oo- ooa oob oog oom ooo ou- oua oue oum ouo oza oze ozm ozo ozu ozz ua- uaa uab uae uag uam uao uau uaz uba ubb ube ubg ubo ubu uea ueb uee ueg uem uga ugb uge ugg ugm ugo ugu um- uma umb ume umg umm umo umu uoa uob uoe uog uom uoo uua uue uug uum uuu uza uzb uzo uzu z-g zaa zab zag zam zao zaz zbb zbm zea zeb zee zem zeo zez zgb zgg zma zmb zmm zo- zoa zob zoe zog zom zoo zou zub zug zum zuz zzz