-er -ey -th b-u bbb bbc bbe bbh bbr bbt bbu bby bcb bcc bce bch bcr bct bcu bcy be- beb bec bee beh ber bet beu bey bhb bhc bhe bhh bhr bht bhu brb bre brh brr brt bru bry btb btc bte bth btr btt btu bty bub buc bue buh bur but buu buy by- byc bye byh byr byt byu c-- cbb cbc cbe cbh cbr cbt cbu cby ccb ccc cce cch ccr cct ccu ce- ceb cec cee ceh cer cet ceu cey ch- chb chc che chh chr cht chu chy crb crc cre crh crr crt cru cry ctb ctc cte cth ctr ctt ctu cty cub cuc cue cuh cur cut cuu cuy cyb cyc cye cyr cyt ebb ebc ebe ebh ebr ebt ebu eby ec- ecb ecc ece ech ecr ect ecu eeb eec eee eer eet eey ehb ehc ehe ehh ehr eht ehu erb erc ere erh err ert eru ery etb etc ete eth etr ett etu ety eu- eub euc eue eur eut eyc eye eyr eyt hbb hbc hbe hbh hbr hbt hbu hby hcb hcc hce hch hcr hct hcy he- heb hec hee heh her het heu hey hhb hhc hhe hhh hhr hht hhu hhy hr- hrb hrc hre hrh hrr hrt hru htb htc hte hth htr htt hty hub huc hue huh hur hut huu huy hy- hyb hyc hye hyh hyr hyt hyy rbb rbc rbe rbh rbr rbt rbu rcb rcc rce rch rcr rct rcu re- reb rec ree reh rer ret reu rey rh- rhb rhc rhe rhh rhr rht rhu rrb rrc rrh rrr rrt rru rtb rtc rte rtr rtt rtu rty rub ruc rue ruh rur rut ruu ruy ry- ryc rye ryr ryu ryy tbb tbc tbe tbh tbr tbt tbu tcb tcc tce tch tcr tct tcu te- teb tec tee teh ter tet teu tey th- thb thc the thh thr tht thu thy trb trc tre trh trr trt tru try ttb ttc tte tth ttr ttt ttu tty tub tuc tue tuh tur tut tuu tuy tyc tye tyr tyt ubb ubc ube ubh ubr ubt ubu uby ucb ucc uce uch ucr uct ucu ueb uec uee ueh uer uet uey uhb uhc uhe uhh uhr uht uhu uhy ur- urb urc ure urr urt uru ury utb utc ute uth utr utt utu uty uuc uue uur uut uuu uyc uyu ybc ybe ybr yby ycc yce ych ycu ycy yeb yec yee yeh yer yet yey yhc yhe yht yhu yrc yre yrt yru ytc yte yth ytr ytt ytu yue yuh yur yut yuu yuy yyb yyc yye yyt yyu yyy