-er -ol c-- ccc cce ccl cco ccp ccr cct ce- cec cee cel ceo cep cer cet cl- clc cle cll clo clp clr clt co- coc coe col coo cop cor cot cpc cpe cpl cpo cpp cpr cpt crc cre crl cro crp crr crt ctc cte ctl cto ctp ctr ctt ec- ecc ece ecl eco ecr ect eec eee eel eeo eep eer eet elc ele ell elo elp elr elt eo- eoc eoe eol eoo eop eor eot ep- epc epe epl epo epp epr ept erc ere erl ero erp err ert etc ete etl eto etp etr ett l-p lcc lce lcl lco lcp lcr lct lec lee lel leo lep ler let llc lle lll llo llp llr llt loc loe lol loo lop lor lot lpc lpe lpl lpo lpp lpr lpt lrc lro lrp lrr lrt ltc lte ltl lto ltp ltr ltt oc- occ ocl oco ocp ocr oct oec oee oel oeo oep oer oet olc ole oll olo olp olt oo- ooc ool ooo oop oor oot op- opc ope opl opo opp opr opt or- orc ore orl oro orp orr ort ot- otc ote otl oto otp otr ott p-p pcc pce pcl pco pcp pcr pct pec pee pel peo pep per pet plc ple pll plo plp plr plt poc poe pol poo pop por pot ppc ppe ppl ppo ppp ppr ppt prc pre prl pro prp prr prt pt- ptc pte ptl pto ptp ptr ptt rcc rce rcl rco rcp rcr rct re- rec ree rel reo rep rer ret rlc rle rll rlo rlp rlr rlt roc roe rol roo rop ror rot rpc rpe rpl rpo rpp rpr rpt rrc rrl rrp rrr rrt rtc rte rtl rto rtp rtr rtt tcc tce tcl tco tcp tcr tct te- tec tee tel teo tep ter tet tlc tle tll tlo tlp tlr tlt to- toc toe tol too top tor tot tpc tpe tpl tpo tpp tpr tpt trc tre trl tro trp trr trt ttc tte ttl tto ttp ttr ttt