-er -ey a-a a-b a-c a-t aaa aab aac aae aag aao aar aas aat aau aay ab- aba abb abc abe abg abo abr abs abt abu aby ac- aca acb acc ace acg aco acr acs act acu acy aea aeb aec aee aeg aeo aer aes aet aeu aey ag- aga agb agc age agg ago agr ags agt agu agy aoa aob aoc aoe aog aoo aor aos aot aou ar- ara arb arc are arg aro arr ars art aru ary as- asa asb asc ase asg aso asr ass ast asu asy at- ata atb atc ate atg ato atr ats att atu au- aua aub auc aue aug auo aur aus aut ay- aya ayc aye ayo ayr ays ayt ayu b-u baa bab bac bae bag bao bar bas bat bau bay bba bbb bbc bbe bbg bbo bbr bbs bbt bbu bby bca bcb bcc bce bcg bco bcr bcs bct bcu bcy be- bea beb bec bee beg beo ber bes bet beu bey bga bgb bgc bge bgg bgo bgr bgs bgt bgu boa bob boc boe bog boo bor bos bot bou boy bra brb bre brg bro brr brs brt bru bry bsa bsb bsc bse bsg bso bsr bss bst bsu bsy bta btb btc bte btg bto btr bts btt btu bty bua bub buc bue bug buo bur bus but buu buy by- bya byc bye byg byo byr bys byt byu c-- caa cab cac cae cag cao car cas cat cau cay cba cbb cbc cbe cbg cbo cbr cbs cbt cbu cby cca ccb ccc cce ccg cco ccr ccs cct ccu ce- cea ceb cec cee ceg ceo cer ces cet ceu cey cga cgb cgc cge cgg cgo cgr cgs cgt cgu cgy co- coa cob coc coe cog coo cor cos cot cou coy cra crb crc cre crg cro crr crs crt cru cry csa csb csc cse csg cso csr css cst csu csy cta ctb ctc cte ctg cto ctr cts ctt ctu cty cua cub cuc cue cug cuo cur cus cut cuu cuy cya cyb cyc cye cyg cyo cyr cys cyt eaa eab eac eae eag eao ear eas eat eau eba ebb ebc ebe ebg ebo ebr ebs ebt ebu eby ec- eca ecb ecc ece ecg eco ecr ecs ect ecu eea eeb eec eee eeg eeo eer ees eet eey ega egb egc ege egg ego egr egs egt egu egy eo- eoa eob eoc eoe eog eoo eor eos eot eou era erb erc ere erg ero err ers ert eru ery es- esa esb esc ese esg eso esr ess est esu esy eta etb etc ete etg eto etr ets ett etu ety eu- eua eub euc eue eug eur eus eut eya eyc eye eyo eyr eys eyt gaa gab gac gae gag gao gar gas gat gau gay gba gbc gbe gbg gbo gbr gbs gbt gbu gby gca gcb gcc gce gcg gco gcr gcs gct gcu ge- gea geb gec gee geg geo ger ges get geu gey gga ggb ggc ggg ggo ggr ggs ggt ggu goa gob goc goe gog goo gor gos got gou goy gra grb grc gre grg gro grr grs grt gru gry gsa gsb gsc gse gsg gso gsr gss gst gsu gta gtb gtc gte gtg gto gtr gts gtt gtu gty gu- gua gub guc gue gug guo gur gus gut guu guy gy- gya gyb gye gyo gyr gys oaa oab oac oae oag oao oar oas oat oau ob- oba obb obc obe obg obo obr obs obt obu oby oc- oca ocb occ ocg oco ocr ocs oct ocu oea oeb oec oee oeg oeo oer oes oet oey oga ogc oge ogg ogo ogs ogt ogy oo- ooa oob ooc oog ooo oor oos oot or- ora orb orc ore org oro orr ors ort oru ory os- osa osb osc ose osg oso osr oss ost osu ot- ota otb otc ote otg oto otr ots ott otu ou- oua ouc oue ouo our ous out oya oye oyo oys ra- raa rab rac rae rag rao rar ras rat rau ray rba rbb rbc rbe rbg rbo rbr rbs rbt rbu rca rcb rcc rce rcg rco rcr rcs rct rcu re- rea reb rec ree reg reo rer res ret reu rey rga rgb rgc rge rgg rgo rgr rgs rgt roa rob roc roe rog roo ror ros rot rou roy rra rrb rrc rrg rrr rrs rrt rru rsa rsb rsc rse rsg rso rsr rss rst rsu rta rtb rtc rte rtg rto rtr rts rtt rtu rty rua rub ruc rue rug ruo rur rus rut ruu ruy ry- rya ryc rye ryg ryo ryr rys ryu ryy saa sab sac sae sag sao sar sas sat sau say sba sbb sbc sbe sbg sbo sbr sbs sbt sbu sby sca scb scc sce scg sco scr scs sct scu se- sea seb sec see seg seo ser ses set seu sey sga sgb sgc sge sgg sgo sgr sgs sgt sgu soa sob soc soe sog soo sor sos sot sou soy sr- sra srb src sre srg sro srr srs srt sry ss- ssa ssb ssc sse ssg sso ssr sss sst ssu sta stb stc ste stg sto str sts stt stu sty sua sub suc sue sug suo sur sus sut suu suy sy- sya syb syc sye syg syr sys syt syu taa tab tac tae tag tao tar tas tat tau tay tba tbb tbc tbe tbg tbo tbr tbs tbt tbu tca tcb tcc tce tcg tco tcr tcs tct tcu te- tea teb tec tee teg teo ter tes tet teu tey tga tgb tgc tge tgg tgo tgr tgs tgt tgu tgy to- toa tob toc toe tog too tor tos tot tou