-er -ic c-- ccc cce cci ccl ccp ccr ccv ce- cec cee cei cel cep cer cev ci- cic cie cii cil cip cir civ cl- clc cle cli cll clp clr clv cpc cpe cpi cpl cpp cpr cpv crc cre cri crl crp crr crv cvc cve cvi cvl cvp cvr cvv ec- ecc ece eci ecl ecr ecv eec eee eel eep eer eev eic eie eii eil eip eir eiv elc ele eli ell elp elr elv ep- epc epe epi epl epp epr erc ere eri erl erp err erv evc eve evi evl evp evr evv i-v icc ice ici icl icp icr icv ie- iec iee iei iel iep ier iev iic iie iii iil iip iir il- ilc ile ili ill ilp ilr ilv ipc ipe ipi ipl ipp ipr ipv ir- irc ire iri irl irp irr irv ivc ive ivi ivl ivp ivr ivv l-p lcc lce lci lcl lcp lcr lcv lec lee lei lel lep ler lev lic lie lii lil lip lir liv llc lle lli lll llp llr llv lpc lpe lpi lpl lpp lpr lpv lrc lri lrp lrr lrv lvc lve lvi lvl lvp lvr lvv p-p pcc pce pci pcl pcp pcr pcv pec pee pei pel pep per pev pic pie pii pil pip pir piv plc ple pli pll plp plr plv ppc ppe ppi ppl ppp ppr ppv prc pre pri prl prp prr prv pvc pve pvi pvl pvp pvr pvv rcc rce rci rcl rcp rcr rcv re- rec ree rei rel rep rer rev ric rie rii ril rip rir riv rlc rle rli rll rlp rlr rpc rpe rpi rpl rpp rpr rpv rrc rri rrl rrp rrr rvc rve rvi rvl rvp rvr rvv v-e vcc vce vci vcl vcp vcr vec vee vei vel vep ver vi- vic vie vii vil vip vir viv vl- vlc vle vll vlp vlv vpc vpe vpi vpl vpp vpr vrc vre vri vrp vrr vvc vvi vvr vvv