-er -ic c-- ccc cce ccg cci cck ccl ccn ccr ccu ce- cec cee ceg cei cek cel cen cer ceu cgc cge cgg cgi cgl cgn cgr cgu ci- cic cie cig cii cik cil cin cir ciu ckc cki cl- clc cle clg cli clk cll cln clr clu cn- cnc cne cng cni cnl cnn cnr cnu crc cre crg cri crk crl crn crr cru cuc cue cug cui cuk cul cun cur cuu ec- ecc ece ecg eci eck ecl ecn ecr ecu eec eee eeg eek eel een eer egc ege egg egi egl egn egr egu eic eie eig eii eik eil ein eir eiu ekc eke ekg eki ekl ekr eku elc ele elg eli elk ell eln elr elu en- enc ene eng eni enk enl enn enr enu erc ere erg eri erk erl ern err eru eu- euc eue eug eui eul eun eur gcc gce gcg gci gck gcl gcn gcr gcu ge- gec gee geg gei gek gel gen ger geu ggc ggg ggi ggn ggr ggu gic gie gig gii gik gil gin gir giu gkn glc gle glg gli glk gll gln glr glu gnc gne gni gnl gnn gnr gnu grc gre grg gri grk grl grn grr gru gu- guc gue gug gui guk gul gun gur guu icc ice icg ici ick icl icn icr icu ie- iec iee ieg iei iek iel ien ier igc ige igg igi igk igl ign igr igu iic iie iii iil iin iir iiu ikc ike iki ikk ikl ikr iku il- ilc ile ilg ili ilk ill iln ilr ilu in- inc ine ing ini ink inl inn inr inu ir- irc ire irg iri irk irl irn irr iru iu- iuc iue iug iui iur kcc kce kcg kci kck kcl kcn kcr kcu ke- kec kee keg kei kek kel ken ker kgc kgi kgl kgu kic kie kig kii kik kil kin kir kiu kkc kke kki kkk kkl kkn kkr kku kl- klc klg kli klr klu kn- knc kne kng kni knk knl knn knr knu krc krg kri krk krl krn krr kru kuc kue kug kui kuk kul kun kur kuu lcc lce lcg lci lck lcl lcn lcr lcu lec lee leg lei lek lel len ler leu lgc lge lgg lgi lgk lgl lgn lgr lgu lic lie lig lii lik lil lin lir liu lkg lkl lkr llc lle llg lli llk lll lln llr llu lnc lne lng lni lnk lnl lnn lnr lnu lrc lrg lri lrk lrn lrr lru luc lue lug lui luk lul lun lur luu n-i ncc nce ncg nci nck ncl ncn ncr ncu ne- nec nee neg nei nek nel nen ner neu ngc nge ngg ngi ngk ngl ngn ngu nic nie nig nii nik nil nin nir niu nkc nke nki nkk nkn nkr nku nlc nle nlg nli nlk nll nln nlr nlu nnc nne nng nni nnk nnl nnn nnu nrc nre nrg nri nrk nrl nrn nrr nru nuc nue nug nui nuk nul nun nur nuu rcc rce rcg rci rcl rcn rcr rcu re- rec ree reg rei rek rel ren rer reu rgc rge rgg rgi rgk rgn rgr ric rie rig rii rik ril rin rir rkc rke rkg rkk rku rlc rle rlg rli rll rln rlr rlu rnc rng rni rnn rnr rnu rrc rrg rri rrk rrl rrn rrr rru ruc rue rug rui ruk run rur ruu ucc uce ucg uci uck ucl ucn ucr ucu uec uee ueg uei uel uen uer ugc uge ugg ugi ugk ugl ugn ugr ugu uic uie uig uii uil uin uir uiu ukc uke uki ukk ukl ukn ukr uku ulc ule ulg uli ulk ull uln ulr ulu un- unc une ung uni unk unl unn unr unu ur- urc ure urg uri urk url urn urr uru uuc uue uug uun uur uuu