-er -up c-- ccc cce cch cco ccp ccr ccs ccu ce- cec cee ceh ceo cep cer ces ceu ch- chc che chh cho chp chr chs chu co- coc coe coh coo cop cor cos cou cpc cpe cph cpo cpp cpr cps cpu crc cre crh cro crp crr crs cru csc cse csh cso csp csr css csu cuc cue cuh cuo cup cur cus cuu ec- ecc ece ech eco ecr ecs ecu eec eee eeo eep eer ees ehc ehe ehh eho ehp ehr ehs ehu eo- eoc eoe eoh eoo eop eor eos eou ep- epc epe eph epo epp epr eps epu erc ere erh ero erp err ers eru es- esc ese esh eso esp esr ess esu eu- euc eue eup eur eus hcc hce hch hco hcp hcr hcs he- hec hee heh heo hep her hes heu hhc hhe hhh hho hhp hhr hhs hhu hoc hoe hoh hoo hop hor hos hou hpc hpe hph hpo hpp hpr hps hpu hr- hrc hre hrh hro hrp hrr hrs hru hsc hse hsh hsp hsr hss hsu huc hue huh huo hup hur hus huu oc- occ och oco ocp ocr ocs ocu oec oee oeh oeo oep oer oes ohc ohe ohh oho ohp ohr ohs ohu oo- ooc ooh ooo oop oor oos op- opc ope oph opo opp opr ops or- orc ore orh oro orp orr ors oru os- osc ose osh oso osp osr oss osu ou- ouc oue ouh ouo oup our ous p-p pcc pce pch pco pcp pcr pcs pcu pec pee peh peo pep per pes peu phc phe pho php phr phs phu poc poe poh poo pop por pos pou ppc ppe pph ppo ppp ppr pps ppu prc pre prh pro prp prr prs pru ps- psc pse psh pso psp psr pss psu puc pue puh pup pur pus puu rcc rce rch rco rcp rcr rcs rcu re- rec ree reh reo rep rer res reu rh- rhc rhe rhh rho rhp rhr rhs rhu roc roe roh roo rop ror ros rou rpc rpe rph rpo rpp rpr rps rpu rrc rrh rrp rrr rrs rru rsc rse rsh rso rsp rsr rss rsu ruc rue ruh ruo rup rur rus ruu scc sce sch sco scp scr scs scu se- sec see seh seo sep ser ses seu sh- shc she shh sho shp shr shs shu soc soe soh soo sop sor sos sou spc spe sph spo spp spr sps spu sr- src sre srh sro srp srr srs ss- ssc sse ssh sso ssp ssr sss ssu suc sue suh suo sup sur sus suu ucc uce uch uco ucp ucr ucs ucu uec uee ueh uep uer ues uhc uhe uhh uho uhp uhr uhs uhu uoc uoe uoo uop uor uos up- upc upe uph upo upp upr ups upu ur- urc ure uro urp urr urs uru usc use ush uso usp usr uss usu uuc uue uur uus uuu