-er -ic c-- ccc cce cci cck ccn ccr ccv ce- cec cee cei cek cen cer cev ci- cic cie cii cik cin cir civ ckc cki cn- cnc cne cni cnn cnr cnv crc cre cri crk crn crr crv cvc cve cvi cvk cvn cvr cvv ec- ecc ece eci eck ecn ecr ecv eec eee eek een eer eev eic eie eii eik ein eir eiv ekc eke eki ekr ekv en- enc ene eni enk enn enr env erc ere eri erk ern err erv evc eve evi evn evr evv i-v icc ice ici ick icn icr icv ie- iec iee iei iek ien ier iev iic iie iii iin iir ikc ike iki ikk ikr ikv in- inc ine ini ink inn inr inv ir- irc ire iri irk irn irr irv ivc ive ivi ivr ivv kcc kce kci kck kcn kcr ke- kec kee kei kek ken ker kev kic kie kii kik kin kir kiv kkc kke kki kkk kkn kkr kkv kn- knc kne kni knk knn knr krc kri krk krn krr krv kvi kvk kvn kvr kvv n-i ncc nce nci nck ncn ncr ncv ne- nec nee nei nek nen ner nev nic nie nii nik nin nir niv nkc nke nki nkk nkn nkr nnc nne nni nnk nnn nnv nrc nre nri nrk nrn nrr nrv nvc nve nvi nvk nvn nvv rcc rce rci rcn rcr rcv re- rec ree rei rek ren rer rev ric rie rii rik rin rir riv rkc rke rkk rkv rnc rni rnn rnr rnv rrc rri rrk rrn rrr rvc rve rvi rvn rvr rvv v-e vcc vce vci vcn vcr vec vee vei vek ven ver vi- vic vie vii vik vin vir viv vn- vni vnr vnv vrc vre vri vrk vrn vrr vvc vvi vvr vvv