-er -ey -up c-- ccc cce ccp ccr cct ccu ce- cec cee cep cer cet ceu cey cpc cpe cpp cpr cpt cpu crc cre crp crr crt cru cry ctc cte ctp ctr ctt ctu cty cuc cue cup cur cut cuu cuy cyc cye cyp cyr cyt ec- ecc ece ecr ect ecu eec eee eep eer eet eey ep- epc epe epp epr ept epu erc ere erp err ert eru ery etc ete etp etr ett etu ety eu- euc eue eup eur eut eyc eye eyp eyr eyt p-p pcc pce pcp pcr pct pcu pec pee pep per pet peu pey ppc ppe ppp ppr ppt ppu prc pre prp prr prt pru pry pt- ptc pte ptp ptr ptt ptu pty puc pue pup pur put puu puy py- pyc pye pyr pyt pyu rcc rce rcp rcr rct rcu re- rec ree rep rer ret reu rey rpc rpe rpp rpr rpt rpu rrc rrp rrr rrt rru rtc rte rtp rtr rtt rtu rty ruc rue rup rur rut ruu ruy ry- ryc rye ryr ryu ryy tcc tce tcp tcr tct tcu te- tec tee tep ter tet teu tey tpc tpe tpp tpr tpt tpu trc tre trp trr trt tru try ttc tte ttp ttr ttt ttu tty tuc tue tup tur tut tuu tuy tyc tye typ tyr tyt ucc uce ucp ucr uct ucu uec uee uep uer uet uey up- upc upe upp upr upt upu ur- urc ure urp urr urt uru ury utc ute utp utr utt utu uty uuc uue uur uut uuu uyc uyu ycc yce ycp ycu ycy yec yee yep yer yet yey ypu yrc yre yrp yrt yru ytc yte ytp ytr ytt ytu yue yup yur yut yuu yuy yyc yye yyt yyu yyy