-er -ic -ol c-- ccc cce ccf cci ccl ccm cco ccr ccx ce- cec cee cef cei cel cem ceo cer cex cfc cfe cff cfi cfl cfm cfo cfr cfx ci- cic cie cif cii cil cim cio cir cix cl- clc cle clf cli cll clm clo clr clx cmc cme cmf cmi cml cmm cmo cmr cmx co- coc coe cof coi col com coo cor cox crc cre crf cri crl crm cro crr crx cxc cxf cxi cxl cxo cxr cxx ec- ecc ece ecf eci ecl ecm eco ecr ecx eec eee eef eel eem eeo eer eex ef- efc efe eff efi efl efm efo efr efx eic eie eif eii eil eim eio eir eix elc ele elf eli ell elm elo elr elx em- emc eme emf emi eml emm emo emr emx eo- eoc eoe eof eoi eol eom eoo eor erc ere erf eri erl erm ero err ex- exc exe exi exl exo exr exx fcc fce fcf fci fcl fcm fco fcr fcx fec fee fef fei fel fem feo fer fex ffc ffe fff ffi ffl ffm ffo ffr ffx fic fie fif fii fil fim fir fix flc fle flf fli fll flm flo flr flx fmc fme fmf fmi fml fmm fmo fmr fmx foc foe fof foi fol fom foo for fox frc fre frf fri frl frm fro frr fxe fxi fxm fxr fxx i-f icc ice icf ici icl icm ico icr ie- iec iee ief iei iel iem ier iex ifc ife iff ifi ifl ifm ifo ifr ifx iic iie iif iii iil iim iio iir iix il- ilc ile ilf ili ill ilm ilo ilr ilx im- imc ime imf imi iml imm imo imx io- ioc ioe iof ioi iol iom ioo ior ir- irc ire irf iri irl irm iro irr irx ixc ixe ixi ixl lcc lce lcf lci lcl lcm lco lcr lcx lec lee lef lei lel lem leo ler lex lfc lfe lff lfi lfl lfm lfo lfr lfx lic lie lif lii lil lim lio lir lix llc lle llf lli lll llm llo llr lmc lme lmf lmi lml lmm lmo lmr loc loe lof loi lol lom loo lor lox lrc lrf lri lrm lro lrr lxc lxi lxo lxr lxx m-f m-o m-r mc- mcc mce mcf mci mcl mcm mco mcr mcx mec mee mef mei mel mem meo mer mex mfc mfe mff mfi mfl mfm mfo mfr mi- mic mie mif mii mil mim mio mir mix mlc mle mlf mli mll mlm mlo mlr mlx mmc mme mmf mmi mml mmm mmo mmr mmx moc moe mof moi mol mom moo mor mox mrc mre mrf mri mrl mrm mro mrr mrx mxc mxi mxl mxr o-i oc- occ ocf oci ocl ocm oco ocr ocx oec oee oef oei oel oem oeo oer oex of- ofc ofe off ofi ofl ofm ofo ofr ofx oic oie oif oii oil oim oio oir olc ole olf oli oll olm olo om- omc ome omf omi oml omm omo omr omx oo- ooc oof ooi ool oom ooo oor oox or- orc ore orf ori orl orm oro orr orx ox- oxc oxf oxi oxo oxx rcc rce rcf rci rcl rcm rco rcr rcx re- rec ree ref rei rel rem reo rer rex rfc rfe rff rfi rfl rfm rfo rfr ric rie rif rii ril rim rio rir rix rlc rle rlf rli rll rlm rlo rlr rmc rme rmf rmi rml rmm rmo rmr rmx roc roe rof roi rol rom roo ror rox rrc rrf rri rrl rrm rrr rxr xcf xci xcl xcr xcx xee xel xem xer xex xfe xfl xfm xfx xic xie xii xio xix xlf xli xlm xlr xmc xmf xmi xml xmm xmo xmr xmx xoc xof xoi xom xoo xor xox xrc xrf xrx xxi xxl xxo xxx