-er -ic -ol c-- ccc cce ccf cci ccl ccm cco ccr ccs ce- cec cee cef cei cel cem ceo cer ces cfc cfe cff cfi cfl cfm cfo cfr cfs ci- cic cie cif cii cil cim cio cir cis cl- clc cle clf cli cll clm clo clr cls cmc cme cmf cmi cml cmm cmo cmr cms co- coc coe cof coi col com coo cor cos crc cre crf cri crl crm cro crr crs csc cse csf csi csl csm cso csr css ec- ecc ece ecf eci ecl ecm eco ecr ecs eec eee eef eel eem eeo eer ees ef- efc efe eff efi efl efm efo efr efs eic eie eif eii eil eim eio eir eis elc ele elf eli ell elm elo elr els em- emc eme emf emi eml emm emo emr ems eo- eoc eoe eof eoi eol eom eoo eor eos erc ere erf eri erl erm ero err ers es- esc ese esf esi esl esm eso esr ess fcc fce fcf fci fcl fcm fco fcr fcs fec fee fef fei fel fem feo fer fes ffc ffe fff ffi ffl ffm ffo ffr ffs fic fie fif fii fil fim fir fis flc fle flf fli fll flm flo flr fls fmc fme fmf fmi fml fmm fmo fmr fms foc foe fof foi fol fom foo for fos frc fre frf fri frl frm fro frr frs fsc fse fsf fsi fsl fsm fso fsr fss i-f icc ice icf ici icl icm ico icr ics ie- iec iee ief iei iel iem ier ies ifc ife iff ifi ifl ifm ifo ifr ifs iic iie iif iii iil iim iio iir iis il- ilc ile ilf ili ill ilm ilo ilr ils im- imc ime imf imi iml imm imo ims io- ioc ioe iof ioi iol iom ioo ior ios ir- irc ire irf iri irl irm iro irr irs is- isc ise isf isi isl ism iso isr iss lcc lce lcf lci lcl lcm lco lcr lcs lec lee lef lei lel lem leo ler les lfc lfe lff lfi lfl lfm lfo lfr lfs lic lie lif lii lil lim lio lir lis llc lle llf lli lll llm llo llr lls lmc lme lmf lmi lml lmm lmo lmr lms loc loe lof loi lol lom loo lor los lrc lrf lri lrm lro lrr lrs lsc lse lsf lsi lsl lsm lso lsr lss m-f m-o m-r mc- mcc mce mcf mci mcl mcm mco mcr mcs mec mee mef mei mel mem meo mer mes mfc mfe mff mfi mfl mfm mfo mfr mfs mi- mic mie mif mii mil mim mio mir mis mlc mle mlf mli mll mlm mlo mlr mls mmc mme mmf mmi mml mmm mmo mmr mms moc moe mof moi mol mom moo mor mos mrc mre mrf mri mrl mrm mro mrr mrs msc mse msf msi msl msm mso msr mss o-i oc- occ ocf oci ocl ocm oco ocr ocs oec oee oef oei oel oem oeo oer oes of- ofc ofe off ofi ofl ofm ofo ofr ofs oic oie oif oii oil oim oio oir ois olc ole olf oli oll olm olo ols om- omc ome omf omi oml omm omo omr oms oo- ooc oof ooi ool oom ooo oor oos or- orc ore orf ori orl orm oro orr ors os- osc ose osf osi osl osm oso osr oss rcc rce rcf rci rcl rcm rco rcr rcs re- rec ree ref rei rel rem reo rer res rfc rfe rff rfi rfl rfm rfo rfr rfs ric rie rif rii ril rim rio rir ris rlc rle rlf rli rll rlm rlo rlr rls rmc rme rmf rmi rml rmm rmo rmr rms roc roe rof roi rol rom roo ror ros rrc rrf rri rrl rrm rrr rrs rsc rse rsf rsi rsl rsm rso rsr rss scc sce scf sci scl scm sco scr scs se- sec see sef sei sel sem seo ser ses sfc sfe sff sfi sfl sfm sfo sfr sfs sic sie sif sii sil sim sio sir sis slc sle slf sli sll slm slo slr sls smc sme smf smi sml smm smo smr sms soc soe sof soi sol som soo sor sos sr- src sre srf sri srl srm sro srr srs ss- ssc sse ssf ssi ssl ssm sso ssr sss