-er -ey -th b-u bbb bbc bbe bbg bbh bbr bbt bbu bby bcb bcc bce bcg bch bcr bct bcu bcy be- beb bec bee beg beh ber bet beu bey bgb bgc bge bgg bgh bgr bgt bgu bhb bhc bhe bhg bhh bhr bht bhu brb bre brg brh brr brt bru bry btb btc bte btg bth btr btt btu bty bub buc bue bug buh bur but buu buy by- byc bye byg byh byr byt byu c-- cbb cbc cbe cbg cbh cbr cbt cbu cby ccb ccc cce ccg cch ccr cct ccu ce- ceb cec cee ceg ceh cer cet ceu cey cgb cgc cge cgg cgh cgr cgt cgu cgy ch- chb chc che chg chh chr cht chu chy crb crc cre crg crh crr crt cru cry ctb ctc cte ctg cth ctr ctt ctu cty cub cuc cue cug cuh cur cut cuu cuy cyb cyc cye cyg cyr cyt ebb ebc ebe ebg ebh ebr ebt ebu eby ec- ecb ecc ece ecg ech ecr ect ecu eeb eec eee eeg eer eet eey egb egc ege egg egh egr egt egu egy ehb ehc ehe ehg ehh ehr eht ehu erb erc ere erg erh err ert eru ery etb etc ete etg eth etr ett etu ety eu- eub euc eue eug eur eut eyc eye eyr eyt gbc gbe gbg gbh gbr gbt gbu gby gcb gcc gce gcg gch gcr gct gcu ge- geb gec gee geg geh ger get geu gey ggb ggc ggg ggh ggr ggt ggu ghb ghc ghe ghg ghh ghr ght grb grc gre grg grh grr grt gru gry gtb gtc gte gtg gth gtr gtt gtu gty gu- gub guc gue gug gur gut guu guy gy- gyb gye gyr hbb hbc hbe hbg hbh hbr hbt hbu hby hcb hcc hce hcg hch hcr hct hcy he- heb hec hee heg heh her het heu hey hgb hgc hge hgg hgh hgr hgt hgu hgy hhb hhc hhe hhg hhh hhr hht hhu hhy hr- hrb hrc hre hrg hrh hrr hrt hru htb htc hte htg hth htr htt hty hub huc hue hug huh hur hut huu huy hy- hyb hyc hye hyg hyh hyr hyt hyy rbb rbc rbe rbg rbh rbr rbt rbu rcb rcc rce rcg rch rcr rct rcu re- reb rec ree reg reh rer ret reu rey rgb rgc rge rgg rgh rgr rgt rh- rhb rhc rhe rhg rhh rhr rht rhu rrb rrc rrg rrh rrr rrt rru rtb rtc rte rtg rtr rtt rtu rty rub ruc rue rug ruh rur rut ruu ruy ry- ryc rye ryg ryr ryu ryy tbb tbc tbe tbg tbh tbr tbt tbu tcb tcc tce tcg tch tcr tct tcu te- teb tec tee teg teh ter tet teu tey tgb tgc tge tgg tgh tgr tgt tgu tgy th- thb thc the thg thh thr tht thu thy trb trc tre trg trh trr trt tru try ttb ttc tte ttg tth ttr ttt ttu tty tub tuc tue tug tuh tur tut tuu tuy tyc tye tyg tyr tyt ubb ubc ube ubg ubh ubr ubt ubu uby ucb ucc uce ucg uch ucr uct ucu ueb uec uee ueg ueh uer uet uey ugb ugc uge ugg ugh ugr ugt ugu uhb uhc uhe uhh uhr uht uhu uhy ur- urb urc ure urg urr urt uru ury utb utc ute uth utr utt utu uty uuc uue uug uur uut uuu uyc uyu ybc ybe ybg ybr yby ycc yce ych ycu ycy yeb yec yee yeg yeh yer yet yey ygc yhc yhe yht yhu yrc yre yrg yrt yru ytc yte yth ytr ytt ytu yue yug yuh yur yut yuu yuy yyb yyc yye yyg yyt yyu yyy