-er -ic -up c-- ccc cce ccg cci cck ccn ccp ccr ccu ce- cec cee ceg cei cek cen cep cer ceu cgc cge cgg cgi cgn cgp cgr cgu ci- cic cie cig cii cik cin cip cir ciu ckc cki cn- cnc cne cng cni cnn cnp cnr cnu cpc cpe cpg cpi cpk cpn cpp cpr cpu crc cre crg cri crk crn crp crr cru cuc cue cug cui cuk cun cup cur cuu ec- ecc ece ecg eci eck ecn ecr ecu eec eee eeg eek een eep eer egc ege egg egi egn egp egr egu eic eie eig eii eik ein eip eir eiu ekc eke ekg eki ekp ekr eku en- enc ene eng eni enk enn enp enr enu ep- epc epe epg epi epn epp epr epu erc ere erg eri erk ern erp err eru eu- euc eue eug eui eun eup eur g-p gcc gce gcg gci gck gcn gcp gcr gcu ge- gec gee geg gei gek gen gep ger geu ggc ggg ggi ggn ggp ggr ggu gic gie gig gii gik gin gip gir giu gkn gkp gnc gne gni gnn gnp gnr gnu gpc gpe gpg gpi gpk gpn gpp gpr gpu grc gre grg gri grk grn grp grr gru gu- guc gue gug gui guk gun gup gur guu icc ice icg ici ick icn icp icr icu ie- iec iee ieg iei iek ien iep ier igc ige igg igi igk ign igp igr igu iic iie iii iin iip iir iiu ikc ike iki ikk ikr iku in- inc ine ing ini ink inn inp inr inu ipc ipe ipg ipi ipn ipp ipr ipu ir- irc ire irg iri irk irn irp irr iru iu- iuc iue iug iui iup iur kcc kce kcg kci kck kcn kcp kcr kcu ke- kec kee keg kei kek ken kep ker kgc kgi kgp kgu kic kie kig kii kik kin kip kir kiu kkc kke kki kkk kkn kkp kkr kku kn- knc kne kng kni knk knn knp knr knu kpc kpe kpi kpk kpn kpp kpr kpu krc krg kri krk krn krp krr kru kuc kue kug kui kuk kun kup kur kuu n-i ncc nce ncg nci nck ncn ncp ncr ncu ne- nec nee neg nei nek nen nep ner neu ngc nge ngg ngi ngk ngn ngp ngu nic nie nig nii nik nin nip nir niu nkc nke nki nkk nkn nkp nkr nku nnc nne nng nni nnk nnn nnp nnu npc npe npg npi npn npp npr npu nrc nre nrg nri nrk nrn nrp nrr nru nuc nue nug nui nuk nun nup nur nuu p-p pcc pce pcg pci pck pcn pcp pcr pcu pec pee peg pei pek pen pep per peu pgc pge pgg pgi pgk pgn pgp pgr pic pie pig pii pik pin pip pir piu pkc pke pkg pki pkn pkp pkr pku pn- pnc pne png pni pnk pnn pnp pnr pnu ppc ppe ppg ppi ppk ppn ppp ppr ppu prc pre prg pri prk prn prp prr pru puc pue pug pui puk pun pup pur puu rcc rce rcg rci rcn rcp rcr rcu re- rec ree reg rei rek ren rep rer reu rgc rge rgg rgi rgk rgn rgp rgr ric rie rig rii rik rin rip rir rkc rke rkg rkk rkp rku rnc rng rni rnn rnp rnr rnu rpc rpe rpg rpi rpk rpn rpp rpr rpu rrc rrg rri rrk rrn rrp rrr rru ruc rue rug rui ruk run rup rur ruu ucc uce ucg uci uck ucn ucp ucr ucu uec uee ueg uei uen uep uer ugc uge ugg ugi ugk ugn ugp ugr ugu uic uie uig uii uin uip uir uiu ukc uke uki ukk ukn ukp ukr uku un- unc une ung uni unk unn unp unr unu up- upc upe upg upi upk upn upp upr upu ur- urc ure urg uri urk urn urp urr uru uuc uue uug uun uur uuu