-ey b-u bbb bbc bbe bbg bbo bbs bbu bby bcb bcc bce bcg bco bcs bcu bcy bcz be- beb bec bee beg beo bes beu bey bez bgb bgc bge bgg bgo bgs bgu bgz bob boc boe bog boo bos bou boy boz bsb bsc bse bsg bso bss bsu bsy bub buc bue bug buo bus buu buy buz by- byc bye byg byo bys byu byz bze bzo bzs bzu bzz c-- cbb cbc cbe cbg cbo cbs cbu cby cbz ccb ccc cce ccg cco ccs ccu ccz ce- ceb cec cee ceg ceo ces ceu cey cez cgb cgc cge cgg cgo cgs cgu cgy co- cob coc coe cog coo cos cou coy coz csb csc cse csg cso css csu csy csz cub cuc cue cug cuo cus cuu cuy cuz cyb cyc cye cyg cyo cys cz- czc cze czo ebb ebc ebe ebg ebo ebs ebu eby ec- ecb ecc ece ecg eco ecs ecu eeb eec eee eeg eeo ees eey egb egc ege egg ego egs egu egy eo- eob eoc eoe eog eoo eos eou es- esb esc ese esg eso ess esu esy eu- eub euc eue eug eus eyc eye eyo eys eze ezo ezs ezz gbc gbe gbg gbo gbs gbu gby gbz gcb gcc gce gcg gco gcs gcu ge- geb gec gee geg geo ges geu gey gez ggb ggc ggg ggo ggs ggu ggz gob goc goe gog goo gos gou goy goz gsb gsc gse gsg gso gss gsu gu- gub guc gue gug guo gus guu guy guz gy- gyb gye gyo gys gzo gzu ob- obb obc obe obg obo obs obu oby oc- ocb occ ocg oco ocs ocu ocz oeb oec oee oeg oeo oes oey ogc oge ogg ogo ogs ogy oo- oob ooc oog ooo oos os- osb osc ose osg oso oss osu ou- ouc oue ouo ous oye oyo oys oze ozo ozs ozu ozz sbb sbc sbe sbg sbo sbs sbu sby scb scc sce scg sco scs scu se- seb sec see seg seo ses seu sey sez sgb sgc sge sgg sgo sgs sgu sob soc soe sog soo sos sou soy soz ss- ssb ssc sse ssg sso sss ssu ssz sub suc sue sug suo sus suu suy suz sy- syb syc sye syg sys syu sze szu ubb ubc ube ubg ubo ubs ubu uby ucb ucc uce ucg uco ucs ucu ueb uec uee ueg ues uey ugb ugc uge ugg ugo ugs ugu uob uoc uoe uog uoo uos usb usc use usg uso uss usu usz uuc uue uug uus uuu uyc uyo uys uyu uzb uzo uzu ybc ybe ybg ybs yby ybz ycc yce yco ycs ycu ycy yeb yec yee yeg yeo yes yey yez ygc ygo yob yoc yoe yog yoo yos you yoy ysb ysc yse ysg yso yss ysu ysy ysz yue yug yuo yus yuu yuy yyb yyc yye yyg yys yyu yyy yyz yzb yzu yzy z-g zbb zbc zbs zby zce zco zcs zeb zec zee zeo zes zez zgb zgg zgs zo- zob zoc zoe zog zoo zos zou zse zsg zsu zsz zub zuc zug zus zuz zzs zzy zzz