-er -up c-- ccc ccd cce cch ccp ccr ccu cdc cdd cde cdh cdp cdr cdu ce- cec ced cee ceh cep cer ceu ch- chc chd che chh chp chr chu cpc cpd cpe cph cpp cpr cpu crc crd cre crh crp crr cru cuc cud cue cuh cup cur cuu dcc dcd dce dcp dcr dcu ddc ddd dde ddh ddp ddr ddu de- dec ded dee deh dep der deu dh- dhc dhd dhe dhh dhp dhr dhu dpc dpd dpe dph dpp dpr dpu drc drd dre drp drr dru duc dud due duh dup dur ec- ecc ecd ece ech ecr ecu ed- edc edd ede edh edp edr edu eec eed eee eep eer ehc ehd ehe ehh ehp ehr ehu ep- epc epd epe eph epp epr epu erc erd ere erh erp err eru eu- euc eud eue eup eur hcc hcd hce hch hcp hcr hdc hdd hde hdh hdp hdr hdu he- hec hed hee heh hep her heu hhc hhd hhe hhh hhp hhr hhu hpc hpd hpe hph hpp hpr hpu hr- hrc hrd hre hrh hrp hrr hru huc hud hue huh hup hur huu p-p pcc pcd pce pch pcp pcr pcu pdc pdd pde pdh pdp pdr pdu pec ped pee peh pep per peu phc phd phe php phr phu ppc ppd ppe pph ppp ppr ppu prc prd pre prh prp prr pru puc pud pue puh pup pur puu rcc rcd rce rch rcp rcr rcu rdc rdd rde rdh rdp rdr rdu re- rec red ree reh rep rer reu rh- rhc rhd rhe rhh rhp rhr rhu rpc rpd rpe rph rpp rpr rpu rrc rrd rrh rrp rrr rru ruc rud rue ruh rup rur ruu ucc ucd uce uch ucp ucr ucu udc udd ude udp udr udu uec ued uee ueh uep uer uhc uhd uhe uhh uhp uhr uhu up- upc upd upe uph upp upr upu ur- urc urd ure urp urr uru uuc uue uur uuu