-er -ey -up c-- ccc ccd cce ccp ccr ccu cdc cdd cde cdp cdr cdu cdy ce- cec ced cee cep cer ceu cey cpc cpd cpe cpp cpr cpu crc crd cre crp crr cru cry cuc cud cue cup cur cuu cuy cyc cyd cye cyp cyr dcc dcd dce dcp dcr dcu ddc ddd dde ddp ddr ddu ddy de- dec ded dee dep der deu dey dpc dpd dpe dpp dpr dpu drc drd dre drp drr dru dry duc dud due dup dur duy dy- dyc dyd dye dyp dyr dyu dyy ec- ecc ecd ece ecr ecu ed- edc edd ede edp edr edu edy eec eed eee eep eer eey ep- epc epd epe epp epr epu erc erd ere erp err eru ery eu- euc eud eue eup eur eyc eyd eye eyp eyr p-p pcc pcd pce pcp pcr pcu pdc pdd pde pdp pdr pdu pec ped pee pep per peu pey ppc ppd ppe ppp ppr ppu prc prd pre prp prr pru pry puc pud pue pup pur puu puy py- pyc pyd pye pyr pyu rcc rcd rce rcp rcr rcu rdc rdd rde rdp rdr rdu rdy re- rec red ree rep rer reu rey rpc rpd rpe rpp rpr rpu rrc rrd rrp rrr rru ruc rud rue rup rur ruu ruy ry- ryc ryd rye ryr ryu ryy ucc ucd uce ucp ucr ucu udc udd ude udp udr udu uec ued uee uep uer uey up- upc upd upe upp upr upu ur- urc urd ure urp urr uru ury uuc uue uur uuu uyc uyu ycc ycd yce ycp ycu ycy yde ydy yec yed yee yep yer yey ypd ypu yrc yre yrp yru yud yue yup yur yuu yuy yyc yye yyu yyy