-er -ic -up c-- ccc cce cci ccn ccp ccr ccs ccu ce- cec cee cei cen cep cer ces ceu ci- cic cie cii cin cip cir cis ciu cn- cnc cne cni cnn cnp cnr cns cnu cpc cpe cpi cpn cpp cpr cps cpu crc cre cri crn crp crr crs cru csc cse csi csn csp csr css csu cuc cue cui cun cup cur cus cuu ec- ecc ece eci ecn ecr ecs ecu eec eee een eep eer ees eic eie eii ein eip eir eis eiu en- enc ene eni enn enp enr ens enu ep- epc epe epi epn epp epr eps epu erc ere eri ern erp err ers eru es- esc ese esi esn esp esr ess esu eu- euc eue eui eun eup eur eus icc ice ici icn icp icr ics icu ie- iec iee iei ien iep ier ies iic iie iii iin iip iir iis iiu in- inc ine ini inn inp inr ins inu ipc ipe ipi ipn ipp ipr ips ipu ir- irc ire iri irn irp irr irs iru is- isc ise isi isn isp isr iss isu iu- iuc iue iui iup iur ius n-i ncc nce nci ncn ncp ncr ncs ncu ne- nec nee nei nen nep ner nes neu nic nie nii nin nip nir nis niu nnc nne nni nnn nnp nns nnu npc npe npi npn npp npr nps npu nrc nre nri nrn nrp nrr nrs nru nsc nse nsi nsn nsp nsr nss nsu nuc nue nui nun nup nur nus nuu p-p pcc pce pci pcn pcp pcr pcs pcu pec pee pei pen pep per pes peu pic pie pii pin pip pir pis piu pn- pnc pne pni pnn pnp pnr pns pnu ppc ppe ppi ppn ppp ppr pps ppu prc pre pri prn prp prr prs pru ps- psc pse psi psn psp psr pss psu puc pue pui pun pup pur pus puu rcc rce rci rcn rcp rcr rcs rcu re- rec ree rei ren rep rer res reu ric rie rii rin rip rir ris rnc rni rnn rnp rnr rns rnu rpc rpe rpi rpn rpp rpr rps rpu rrc rri rrn rrp rrr rrs rru rsc rse rsi rsn rsp rsr rss rsu ruc rue rui run rup rur rus ruu scc sce sci scn scp scr scs scu se- sec see sei sen sep ser ses seu sic sie sii sin sip sir sis siu snc sne sni snn snp snr sns snu spc spe spi spn spp spr sps spu sr- src sre sri srn srp srr srs ss- ssc sse ssi ssn ssp ssr sss ssu suc sue sui sun sup sur sus suu ucc uce uci ucn ucp ucr ucs ucu uec uee uei uen uep uer ues uic uie uii uin uip uir uis uiu un- unc une uni unn unp unr uns unu up- upc upe upi upn upp upr ups upu ur- urc ure uri urn urp urr urs uru usc use usi usn usp usr uss usu uuc uue uun uur uus uuu