-er -ic -up c-- ccc cce cci cck ccn ccp ccr ccs ccu ce- cec cee cei cek cen cep cer ces ceu ci- cic cie cii cik cin cip cir cis ciu ckc cki cks cn- cnc cne cni cnn cnp cnr cns cnu cpc cpe cpi cpk cpn cpp cpr cps cpu crc cre cri crk crn crp crr crs cru csc cse csi csk csn csp csr css csu cuc cue cui cuk cun cup cur cus cuu ec- ecc ece eci eck ecn ecr ecs ecu eec eee eek een eep eer ees eic eie eii eik ein eip eir eis eiu ekc eke eki ekp ekr eks eku en- enc ene eni enk enn enp enr ens enu ep- epc epe epi epn epp epr eps epu erc ere eri erk ern erp err ers eru es- esc ese esi esk esn esp esr ess esu eu- euc eue eui eun eup eur eus icc ice ici ick icn icp icr ics icu ie- iec iee iei iek ien iep ier ies iic iie iii iin iip iir iis iiu ikc ike iki ikk ikr iks iku in- inc ine ini ink inn inp inr ins inu ipc ipe ipi ipn ipp ipr ips ipu ir- irc ire iri irk irn irp irr irs iru is- isc ise isi isk isn isp isr iss isu iu- iuc iue iui iup iur ius kcc kce kci kck kcn kcp kcr kcs kcu ke- kec kee kei kek ken kep ker kes kic kie kii kik kin kip kir kis kiu kkc kke kki kkk kkn kkp kkr kks kku kn- knc kne kni knk knn knp knr knu kpc kpe kpi kpk kpn kpp kpr kps kpu krc kri krk krn krp krr krs kru ksc kse ksi ksk ksn ksp ksr kss ksu kuc kue kui kuk kun kup kur kus kuu n-i ncc nce nci nck ncn ncp ncr ncs ncu ne- nec nee nei nek nen nep ner nes neu nic nie nii nik nin nip nir nis niu nkc nke nki nkk nkn nkp nkr nks nku nnc nne nni nnk nnn nnp nns nnu npc npe npi npn npp npr nps npu nrc nre nri nrk nrn nrp nrr nrs nru nsc nse nsi nsk nsn nsp nsr nss nsu nuc nue nui nuk nun nup nur nus nuu p-p pcc pce pci pck pcn pcp pcr pcs pcu pec pee pei pek pen pep per pes peu pic pie pii pik pin pip pir pis piu pkc pke pki pkn pkp pkr pks pku pn- pnc pne pni pnk pnn pnp pnr pns pnu ppc ppe ppi ppk ppn ppp ppr pps ppu prc pre pri prk prn prp prr prs pru ps- psc pse psi psk psn psp psr pss psu puc pue pui puk pun pup pur pus puu rcc rce rci rcn rcp rcr rcs rcu re- rec ree rei rek ren rep rer res reu ric rie rii rik rin rip rir ris rkc rke rkk rkp rks rku rnc rni rnn rnp rnr rns rnu rpc rpe rpi rpk rpn rpp rpr rps rpu rrc rri rrk rrn rrp rrr rrs rru rsc rse rsi rsk rsn rsp rsr rss rsu ruc rue rui ruk run rup rur rus ruu scc sce sci sck scn scp scr scs scu se- sec see sei sek sen sep ser ses seu sic sie sii sik sin sip sir sis siu sk- skc ske ski skk skp skr sks sku snc sne sni snk snn snp snr sns snu spc spe spi spk spn spp spr sps spu sr- src sre sri srk srn srp srr srs ss- ssc sse ssi ssk ssn ssp ssr sss ssu suc sue sui suk sun sup sur sus suu ucc uce uci uck ucn ucp ucr ucs ucu uec uee uei uen uep uer ues uic uie uii uin uip uir uis uiu ukc uke uki ukk ukn ukp ukr uku un- unc une uni unk unn unp unr uns unu up- upc upe upi upk upn upp upr ups upu ur- urc ure uri urk urn urp urr urs uru usc use usi usk usn usp usr uss usu uuc uue uun uur uus uuu