-er -ic -ol c-- ccc cce ccf cci ccl cco ccp ccr ccs ce- cec cee cef cei cel ceo cep cer ces cfc cfe cff cfi cfl cfo cfp cfr cfs ci- cic cie cif cii cil cio cip cir cis cl- clc cle clf cli cll clo clp clr cls co- coc coe cof coi col coo cop cor cos cpc cpe cpf cpi cpl cpo cpp cpr cps crc cre crf cri crl cro crp crr crs csc cse csf csi csl cso csp csr css ec- ecc ece ecf eci ecl eco ecr ecs eec eee eef eel eeo eep eer ees ef- efc efe eff efi efl efo efp efr efs eic eie eif eii eil eio eip eir eis elc ele elf eli ell elo elp elr els eo- eoc eoe eof eoi eol eoo eop eor eos ep- epc epe epf epi epl epo epp epr eps erc ere erf eri erl ero erp err ers es- esc ese esf esi esl eso esp esr ess fcc fce fcf fci fcl fco fcp fcr fcs fec fee fef fei fel feo fep fer fes ffc ffe fff ffi ffl ffo ffp ffr ffs fic fie fif fii fil fip fir fis flc fle flf fli fll flo flp flr fls foc foe fof foi fol foo fop for fos fpc fpe fpi fpl fpo fpp fpr fps frc fre frf fri frl fro frp frr frs fsc fse fsf fsi fsl fso fsp fsr fss i-f icc ice icf ici icl ico icp icr ics ie- iec iee ief iei iel iep ier ies ifc ife iff ifi ifl ifo ifp ifr ifs iic iie iif iii iil iio iip iir iis il- ilc ile ilf ili ill ilo ilp ilr ils io- ioc ioe iof ioi iol ioo iop ior ios ipc ipe ipf ipi ipl ipo ipp ipr ips ir- irc ire irf iri irl iro irp irr irs is- isc ise isf isi isl iso isp isr iss l-p lcc lce lcf lci lcl lco lcp lcr lcs lec lee lef lei lel leo lep ler les lfc lfe lff lfi lfl lfo lfp lfr lfs lic lie lif lii lil lio lip lir lis llc lle llf lli lll llo llp llr lls loc loe lof loi lol loo lop lor los lpc lpe lpf lpi lpl lpo lpp lpr lps lrc lrf lri lro lrp lrr lrs lsc lse lsf lsi lsl lso lsp lsr lss o-i oc- occ ocf oci ocl oco ocp ocr ocs oec oee oef oei oel oeo oep oer oes of- ofc ofe off ofi ofl ofo ofp ofr ofs oic oie oif oii oil oio oip oir ois olc ole olf oli oll olo olp ols oo- ooc oof ooi ool ooo oop oor oos op- opc ope opf opi opl opo opp opr ops or- orc ore orf ori orl oro orp orr ors os- osc ose osf osi osl oso osp osr oss p-p pcc pce pcf pci pcl pco pcp pcr pcs pec pee pef pei pel peo pep per pes pfc pfe pff pfi pfl pfo pfp pfr pfs pic pie pif pii pil pio pip pir pis plc ple plf pli pll plo plp plr pls poc poe pof poi pol poo pop por pos ppc ppe ppf ppi ppl ppo ppp ppr pps prc pre prf pri prl pro prp prr prs ps- psc pse psf psi psl pso psp psr pss rcc rce rcf rci rcl rco rcp rcr rcs re- rec ree ref rei rel reo rep rer res rfc rfe rff rfi rfl rfo rfp rfr rfs ric rie rif rii ril rio rip rir ris rlc rle rlf rli rll rlo rlp rlr rls roc roe rof roi rol roo rop ror ros rpc rpe rpf rpi rpl rpo rpp rpr rps rrc rrf rri rrl rrp rrr rrs rsc rse rsf rsi rsl rso rsp rsr rss scc sce scf sci scl sco scp scr scs se- sec see sef sei sel seo sep ser ses sfc sfe sff sfi sfl sfo sfp sfr sfs sic sie sif sii sil sio sip sir sis slc sle slf sli sll slo slp slr sls soc soe sof soi sol soo sop sor sos spc spe spf spi spl spo spp spr sps sr- src sre srf sri srl sro srp srr srs ss- ssc sse ssf ssi ssl sso ssp ssr sss