-er -ey c-- ccc ccd cce cch ccp ccr cdc cdd cde cdh cdp cdr cdy ce- cec ced cee ceh cep cer cey ch- chc chd che chh chp chr chy cpc cpd cpe cph cpp cpr crc crd cre crh crp crr cry cyc cyd cye cyp cyr dcc dcd dce dcp dcr ddc ddd dde ddh ddp ddr ddy de- dec ded dee deh dep der dey dh- dhc dhd dhe dhh dhp dhr dpc dpd dpe dph dpp dpr drc drd dre drp drr dry dy- dyc dyd dye dyp dyr dyy ec- ecc ecd ece ech ecr ed- edc edd ede edh edp edr edy eec eed eee eep eer eey ehc ehd ehe ehh ehp ehr ep- epc epd epe eph epp epr erc erd ere erh erp err ery eyc eyd eye eyp eyr hcc hcd hce hch hcp hcr hcy hdc hdd hde hdh hdp hdr hdy he- hec hed hee heh hep her hey hhc hhd hhe hhh hhp hhr hhy hpc hpd hpe hph hpp hpr hpy hr- hrc hrd hre hrh hrp hrr hy- hyc hyd hye hyh hyp hyr hyy p-p pcc pcd pce pch pcp pcr pdc pdd pde pdh pdp pdr pec ped pee peh pep per pey phc phd phe php phr phy ppc ppd ppe pph ppp ppr prc prd pre prh prp prr pry py- pyc pyd pye pyr rcc rcd rce rch rcp rcr rdc rdd rde rdh rdp rdr rdy re- rec red ree reh rep rer rey rh- rhc rhd rhe rhh rhp rhr rpc rpd rpe rph rpp rpr rrc rrd rrh rrp rrr ry- ryc ryd rye ryr ryy ycc ycd yce ych ycp ycy yde ydy yec yed yee yeh yep yer yey yhc yhe ypd yrc yre yrp yyc yye yyy