-er -ic c-- ccc cce ccg cci cck ccn ccr ccv ce- cec cee ceg cei cek cen cer cev cgc cge cgg cgi cgn cgr cgv ci- cic cie cig cii cik cin cir civ ckc cki cn- cnc cne cng cni cnn cnr cnv crc cre crg cri crk crn crr crv cvc cve cvg cvi cvk cvn cvr cvv ec- ecc ece ecg eci eck ecn ecr ecv eec eee eeg eek een eer eev egc ege egg egi egn egr eic eie eig eii eik ein eir eiv ekc eke ekg eki ekr ekv en- enc ene eng eni enk enn enr env erc ere erg eri erk ern err erv evc eve evg evi evn evr evv gcc gce gcg gci gck gcn gcr ge- gec gee geg gei gek gen ger gev ggc ggg ggi ggn ggr ggv gic gie gig gii gik gin gir giv gkn gnc gne gni gnn gnr gnv grc gre grg gri grk grn grr grv gvc gve gvg gvi gvk gvn gvr i-v icc ice icg ici ick icn icr icv ie- iec iee ieg iei iek ien ier iev igc ige igg igi igk ign igr iic iie iii iin iir ikc ike iki ikk ikr ikv in- inc ine ing ini ink inn inr inv ir- irc ire irg iri irk irn irr irv ivc ive ivg ivi ivr ivv kcc kce kcg kci kck kcn kcr ke- kec kee keg kei kek ken ker kev kgc kgi kgv kic kie kig kii kik kin kir kiv kkc kke kki kkk kkn kkr kkv kn- knc kne kng kni knk knn knr krc krg kri krk krn krr krv kvi kvk kvn kvr kvv n-i ncc nce ncg nci nck ncn ncr ncv ne- nec nee neg nei nek nen ner nev ngc nge ngg ngi ngk ngn nic nie nig nii nik nin nir niv nkc nke nki nkk nkn nkr nnc nne nng nni nnk nnn nnv nrc nre nrg nri nrk nrn nrr nrv nvc nve nvg nvi nvk nvn nvv rcc rce rcg rci rcn rcr rcv re- rec ree reg rei rek ren rer rev rgc rge rgg rgi rgk rgn rgr rgv ric rie rig rii rik rin rir riv rkc rke rkg rkk rkv rnc rng rni rnn rnr rnv rrc rrg rri rrk rrn rrr rvc rve rvg rvi rvn rvr rvv v-e vcc vce vci vcn vcr vec vee veg vei vek ven ver vgc vgg vgn vgr vi- vic vie vig vii vik vin vir viv vkg vn- vng vni vnr vnv vrc vre vrg vri vrk vrn vrr vvc vvg vvi vvr vvv