-er -ol c-- ccc cce ccf ccl cco ccp ccr ccs cct ce- cec cee cef cel ceo cep cer ces cet cfc cfe cff cfl cfo cfp cfr cfs cft cl- clc cle clf cll clo clp clr cls clt co- coc coe cof col coo cop cor cos cot cpc cpe cpf cpl cpo cpp cpr cps cpt crc cre crf crl cro crp crr crs crt csc cse csf csl cso csp csr css cst ctc cte ctf ctl cto ctp ctr cts ctt ec- ecc ece ecf ecl eco ecr ecs ect eec eee eef eel eeo eep eer ees eet ef- efc efe eff efl efo efp efr efs eft elc ele elf ell elo elp elr els elt eo- eoc eoe eof eol eoo eop eor eos eot ep- epc epe epf epl epo epp epr eps ept erc ere erf erl ero erp err ers ert es- esc ese esf esl eso esp esr ess est etc ete etf etl eto etp etr ets ett fcc fce fcf fcl fco fcp fcr fcs fct fec fee fef fel feo fep fer fes fet ffc ffe fff ffl ffo ffp ffr ffs fft flc fle flf fll flo flp flr fls flt foc foe fof fol foo fop for fos fot fpc fpe fpl fpo fpp fpr fps fpt frc fre frf frl fro frp frr frs frt fsc fse fsf fsl fso fsp fsr fss fst ftc fte ftf ftl fto ftp ftr fts ftt l-p lcc lce lcf lcl lco lcp lcr lcs lct lec lee lef lel leo lep ler les let lfc lfe lff lfl lfo lfp lfr lfs lft llc lle llf lll llo llp llr lls llt loc loe lof lol loo lop lor los lot lpc lpe lpf lpl lpo lpp lpr lps lpt lrc lrf lro lrp lrr lrs lrt lsc lse lsf lsl lso lsp lsr lss lst ltc lte ltf ltl lto ltp ltr lts ltt oc- occ ocf ocl oco ocp ocr ocs oct oec oee oef oel oeo oep oer oes oet of- ofc ofe off ofl ofo ofp ofr ofs oft olc ole olf oll olo olp ols olt oo- ooc oof ool ooo oop oor oos oot op- opc ope opf opl opo opp opr ops opt or- orc ore orf orl oro orp orr ors ort os- osc ose osf osl oso osp osr oss ost ot- otc ote otf otl oto otp otr ots ott p-p pcc pce pcf pcl pco pcp pcr pcs pct pec pee pef pel peo pep per pes pet pfc pfe pff pfl pfo pfp pfr pfs pft plc ple plf pll plo plp plr pls plt poc poe pof pol poo pop por pos pot ppc ppe ppf ppl ppo ppp ppr pps ppt prc pre prf prl pro prp prr prs prt ps- psc pse psf psl pso psp psr pss pst pt- ptc pte ptf ptl pto ptp ptr pts ptt rcc rce rcf rcl rco rcp rcr rcs rct re- rec ree ref rel reo rep rer res ret rfc rfe rff rfl rfo rfp rfr rfs rft rlc rle rlf rll rlo rlp rlr rls rlt roc roe rof rol roo rop ror ros rot rpc rpe rpf rpl rpo rpp rpr rps rpt rrc rrf rrl rrp rrr rrs rrt rsc rse rsf rsl rso rsp rsr rss rst rtc rte rtf rtl rto rtp rtr rts rtt scc sce scf scl sco scp scr scs sct se- sec see sef sel seo sep ser ses set sfc sfe sff sfl sfo sfp sfr sfs sft slc sle slf sll slo slp slr sls slt soc soe sof sol soo sop sor sos sot spc spe spf spl spo spp spr sps spt sr- src sre srf srl sro srp srr srs srt ss- ssc sse ssf ssl sso ssp ssr sss sst stc ste stf stl sto stp str sts stt tcc tce tcf tcl tco tcp tcr tcs tct te- tec tee tef tel teo tep ter tes tet tfc tfe tff tfl tfo tfp tfr tfs tft tlc tle tlf tll tlo tlp tlr tls tlt to- toc toe tof tol too top tor tos tot tpc tpe tpf tpl tpo tpp tpr tps tpt trc tre trf trl tro trp trr trs trt tsc tse tsf tsl tso tsp tsr tss tst ttc tte ttf ttl tto ttp ttr tts ttt