-er -ol c-- c-j ccc cce ccj ccl cco ccr ccv ce- cec cee cej cel ceo cer cev cjc cjr cl- clc cle clj cll clo clr clv co- coc coe coj col coo cor cov crc cre crj crl cro crr crv cvc cve cvl cvo cvr cvv ec- ecc ece ecj ecl eco ecr ecv eec eee eel eeo eer eev ejc ejl ejo elc ele ell elo elr elv eo- eoc eoe eol eoo eor erc ere erl ero err erv evc eve evl evo evr evv jcc jce jcl jco jcr jec jee jej jel jeo jer jjc jjj jjl jjr jlc jle jll jlo jlr joc joe joj jol joo jor jrc jrl jro jrr jvc jvl lcc lce lcj lcl lco lcr lcv lec lee lej lel leo ler lev lje ljj llc lle llj lll llo llr llv loc loe loj lol loo lor lov lrc lro lrr lrv lvc lve lvl lvr lvv oc- occ ocj ocl oco ocr ocv oec oee oel oeo oer ojc oje ojo olc ole oll olo oo- ooc ool ooo oor oov or- orc ore orl oro orr orv ov- ovc ove ovl ovo ovv rcc rce rcj rcl rco rcr rcv re- rec ree rel reo rer rev rjc rjr rlc rle rll rlo rlr roc roe roj rol roo ror rov rrc rrl rrr rvc rve rvl rvo rvr rvv v-e vcc vce vcl vco vcr vec vee vel veo ver vl- vlc vle vll vlo vlv voc voe vol voo vor vov vrc vre vrr vvc vvo vvr vvv