-er -ic -ol c-- ccc cce cci ccl cco ccr ccv ce- cec cee cei cel ceo cer cev ci- cic cie cii cil cio cir civ cl- clc cle cli cll clo clr clv co- coc coe coi col coo cor cov crc cre cri crl cro crr crv cvc cve cvi cvl cvo cvr cvv ec- ecc ece eci ecl eco ecr ecv eec eee eel eeo eer eev eic eie eii eil eio eir eiv elc ele eli ell elo elr elv eo- eoc eoe eoi eol eoo eor erc ere eri erl ero err erv evc eve evi evl evo evr evv i-v icc ice ici icl ico icr icv ie- iec iee iei iel ier iev iic iie iii iil iio iir il- ilc ile ili ill ilo ilr ilv io- ioc ioe ioi iol ioo ior iov ir- irc ire iri irl iro irr irv ivc ive ivi ivl ivo ivr ivv lcc lce lci lcl lco lcr lcv lec lee lei lel leo ler lev lic lie lii lil lio lir liv llc lle lli lll llo llr llv loc loe loi lol loo lor lov lrc lri lro lrr lrv lvc lve lvi lvl lvr lvv o-i oc- occ oci ocl oco ocr ocv oec oee oei oel oeo oer oic oie oii oil oio oir oiv olc ole oli oll olo oo- ooc ooi ool ooo oor oov or- orc ore ori orl oro orr orv ov- ovc ove ovi ovl ovo ovv rcc rce rci rcl rco rcr rcv re- rec ree rei rel reo rer rev ric rie rii ril rio rir riv rlc rle rli rll rlo rlr roc roe roi rol roo ror rov rrc rri rrl rrr rvc rve rvi rvl rvo rvr rvv v-e vcc vce vci vcl vco vcr vec vee vei vel veo ver vi- vic vie vii vil vio vir viv vl- vlc vle vll vlo vlv voc voe voi vol voo vor vov vrc vre vri vrr vvc vvi vvo vvr vvv