-er -ic -up c-- ccc cce cci ccp ccr ccs ccu ccv ce- cec cee cei cep cer ces ceu cev ci- cic cie cii cip cir cis ciu civ cpc cpe cpi cpp cpr cps cpu cpv crc cre cri crp crr crs cru crv csc cse csi csp csr css csu csv cuc cue cui cup cur cus cuu cuv cvc cve cvi cvp cvr cvs cvu cvv ec- ecc ece eci ecr ecs ecu ecv eec eee eep eer ees eev eic eie eii eip eir eis eiu eiv ep- epc epe epi epp epr eps epu erc ere eri erp err ers eru erv es- esc ese esi esp esr ess esu esv eu- euc eue eui eup eur eus euv evc eve evi evp evr evs evv i-v icc ice ici icp icr ics icu icv ie- iec iee iei iep ier ies iev iic iie iii iip iir iis iiu ipc ipe ipi ipp ipr ips ipu ipv ir- irc ire iri irp irr irs iru irv is- isc ise isi isp isr iss isu isv iu- iuc iue iui iup iur ius ivc ive ivi ivp ivr ivs ivu ivv p-p pcc pce pci pcp pcr pcs pcu pcv pec pee pei pep per pes peu pev pic pie pii pip pir pis piu piv ppc ppe ppi ppp ppr pps ppu ppv prc pre pri prp prr prs pru prv ps- psc pse psi psp psr pss psu psv puc pue pui pup pur pus puu pvc pve pvi pvp pvr pvs pvu pvv rcc rce rci rcp rcr rcs rcu rcv re- rec ree rei rep rer res reu rev ric rie rii rip rir ris riv rpc rpe rpi rpp rpr rps rpu rpv rrc rri rrp rrr rrs rru rsc rse rsi rsp rsr rss rsu rsv ruc rue rui rup rur rus ruu ruv rvc rve rvi rvp rvr rvs rvu rvv scc sce sci scp scr scs scu scv se- sec see sei sep ser ses seu sev sic sie sii sip sir sis siu siv spc spe spi spp spr sps spu spv sr- src sre sri srp srr srs srv ss- ssc sse ssi ssp ssr sss ssu ssv suc sue sui sup sur sus suu suv svc sve svi svp svr svs svu svv ucc uce uci ucp ucr ucs ucu ucv uec uee uei uep uer ues uic uie uii uip uir uis uiu up- upc upe upi upp upr ups upu upv ur- urc ure uri urp urr urs uru usc use usi usp usr uss usu usv uuc uue uur uus uuu uvc uve uvs uvu uvv v-e vcc vce vci vcp vcr vcs vcu vec vee vei vep ver ves veu vi- vic vie vii vip vir vis viu viv vpc vpe vpi vpp vpr vps vpu vrc vre vri vrp vrr vrs vru vsc vse vsi vsp vsr vss vsu vsv vue vup vur vus vuv vvc vvi vvr vvs vvv