-er -ic c-- ccc cce cci cck ccm ccr ccv ce- cec cee cei cek cem cer cev ci- cic cie cii cik cim cir civ ckc cki ckm cmc cme cmi cmk cmm cmr cmv crc cre cri crk crm crr crv cvc cve cvi cvk cvm cvr cvv ec- ecc ece eci eck ecm ecr ecv eec eee eek eem eer eev eic eie eii eik eim eir eiv ekc eke eki ekr ekv em- emc eme emi emk emm emr emv erc ere eri erk erm err erv evc eve evi evm evr evv i-v icc ice ici ick icm icr icv ie- iec iee iei iek iem ier iev iic iie iii iim iir ikc ike iki ikk ikr ikv im- imc ime imi imm imv ir- irc ire iri irk irm irr irv ivc ive ivi ivr ivv kcc kce kci kck kcm kcr ke- kec kee kei kek kem ker kev kic kie kii kik kim kir kiv kkc kke kki kkk kkm kkr kkv kmc kme kmi kmk kmm krc kri krk krr krv kvi kvk kvm kvr kvv m-r m-v mc- mcc mce mci mck mcm mcr mcv mec mee mei mek mem mer mev mi- mic mie mii mik mim mir miv mkc mke mkk mkm mkr mkv mmc mme mmi mmk mmm mmr mmv mrc mre mri mrk mrm mrr mrv mvc mve mvi mvm mvr mvv rcc rce rci rcm rcr rcv re- rec ree rei rek rem rer rev ric rie rii rik rim rir riv rkc rke rkk rkm rkv rmc rme rmi rmm rmr rmv rrc rri rrk rrm rrr rvc rve rvi rvm rvr rvv v-e vcc vce vci vcm vcr vec vee vei vek vem ver vi- vic vie vii vik vim vir viv vkm vm- vmc vmi vmm vmr vrc vre vri vrk vrm vrr vvc vvi vvm vvr vvv