-er -up c-- ccc cce cch cco ccp ccr ccu ce- cec cee ceh ceo cep cer ceu ch- chc che chh cho chp chr chu co- coc coe coh coo cop cor cou cpc cpe cph cpo cpp cpr cpu crc cre crh cro crp crr cru cuc cue cuh cuo cup cur cuu ec- ecc ece ech eco ecr ecu eec eee eeo eep eer ehc ehe ehh eho ehp ehr ehu eo- eoc eoe eoh eoo eop eor eou ep- epc epe eph epo epp epr epu erc ere erh ero erp err eru eu- euc eue eup eur hcc hce hch hco hcp hcr he- hec hee heh heo hep her heu hhc hhe hhh hho hhp hhr hhu hoc hoe hoh hoo hop hor hou hpc hpe hph hpo hpp hpr hpu hr- hrc hre hrh hro hrp hrr hru huc hue huh huo hup hur huu oc- occ och oco ocp ocr ocu oec oee oeh oeo oep oer ohc ohe ohh oho ohp ohr ohu oo- ooc ooh ooo oop oor op- opc ope oph opo opp opr or- orc ore orh oro orp orr oru ou- ouc oue ouh ouo oup our p-p pcc pce pch pco pcp pcr pcu pec pee peh peo pep per peu phc phe pho php phr phu poc poe poh poo pop por pou ppc ppe pph ppo ppp ppr ppu prc pre prh pro prp prr pru puc pue puh pup pur puu rcc rce rch rco rcp rcr rcu re- rec ree reh reo rep rer reu rh- rhc rhe rhh rho rhp rhr rhu roc roe roh roo rop ror rou rpc rpe rph rpo rpp rpr rpu rrc rrh rrp rrr rru ruc rue ruh ruo rup rur ruu ucc uce uch uco ucp ucr ucu uec uee ueh uep uer uhc uhe uhh uho uhp uhr uhu uoc uoe uoo uop uor up- upc upe uph upo upp upr upu ur- urc ure uro urp urr uru uuc uue uur uuu