-er -ey -ic c-- ccc cce ccf cci ccm cco ccr ccs ccu ccx ce- cec cee cef cei cem ceo cer ces ceu cex cey cfc cfe cff cfi cfm cfo cfr cfs cfu cfx ci- cic cie cif cii cim cio cir cis ciu cix cmc cme cmf cmi cmm cmo cmr cms cmu cmx cmy co- coc coe cof coi com coo cor cos cou cox coy crc cre crf cri crm cro crr crs cru crx cry csc cse csf csi csm cso csr css csu csx csy cuc cue cuf cui cum cuo cur cus cuu cuy cxc cxf cxi cxo cxr cxs cxx cyc cye cyf cym cyo cyr cys ec- ecc ece ecf eci ecm eco ecr ecs ecu ecx eec eee eef eem eeo eer ees eex eey ef- efc efe eff efi efm efo efr efs efx eic eie eif eii eim eio eir eis eiu eix em- emc eme emf emi emm emo emr ems emu emx eo- eoc eoe eof eoi eom eoo eor eos eou erc ere erf eri erm ero err ers eru ery es- esc ese esf esi esm eso esr ess esu esx esy eu- euc eue euf eui eur eus eux ex- exc exe exi exo exr exs exu exx exy eyc eye eym eyo eyr eys fcc fce fcf fci fcm fco fcr fcs fcu fcx fcy fec fee fef fei fem feo fer fes feu fex fey ffc ffe fff ffi ffm ffo ffr ffs ffu ffx ffy fic fie fif fii fim fir fis fiu fix fmc fme fmf fmi fmm fmo fmr fms fmu fmx foc foe fof foi fom foo for fos fou fox foy frc fre frf fri frm fro frr frs fru fry fsc fse fsf fsi fsm fso fsr fss fsu fsx fue fuf fui fum fuo fur fus fuu fux fxe fxi fxm fxr fxs fxu fxx fy- fyc fye fyi fyo i-f icc ice icf ici icm ico icr ics icu icy ie- iec iee ief iei iem ier ies iex iey ifc ife iff ifi ifm ifo ifr ifs ifu ifx ify iic iie iif iii iim iio iir iis iiu iix im- imc ime imf imi imm imo ims imu imx imy io- ioc ioe iof ioi iom ioo ior ios iou ir- irc ire irf iri irm iro irr irs iru irx iry is- isc ise isf isi ism iso isr iss isu isy iu- iuc iue iui ium iur ius ixc ixe ixi ixy iyc iye iym iyo iyr iys iyy m-f m-o m-r mc- mcc mce mcf mci mcm mco mcr mcs mcu mcx mec mee mef mei mem meo mer mes meu mex mey mfc mfe mff mfi mfm mfo mfr mfs mfu mfy mi- mic mie mif mii mim mio mir mis miu mix miy mmc mme mmf mmi mmm mmo mmr mms mmu mmx moc moe mof moi mom moo mor mos mou mox moy mrc mre mrf mri mrm mro mrr mrs mru mrx mry msc mse msf msi msm mso msr mss msu msx msy muc mue muf mui mum mur mus muu mux muy mxc mxi mxr mxs mxu my- myc mye myf mym myo myr mys myu myx o-i oc- occ ocf oci ocm oco ocr ocs ocu ocx oec oee oef oei oem oeo oer oes oex oey of- ofc ofe off ofi ofm ofo ofr ofs ofu ofx oic oie oif oii oim oio oir ois oiu om- omc ome omf omi omm omo omr oms omu omx omy oo- ooc oof ooi oom ooo oor oos oox or- orc ore orf ori orm oro orr ors oru orx ory os- osc ose osf osi osm oso osr oss osu osx ou- ouc oue ouf oui oum ouo our ous ox- oxc oxf oxi oxo oxx oxy oye oyi oyo oys rcc rce rcf rci rcm rco rcr rcs rcu rcx re- rec ree ref rei rem reo rer res reu rex rey rfc rfe rff rfi rfm rfo rfr rfs rfu ric rie rif rii rim rio rir ris rix riy rmc rme rmf rmi rmm rmo rmr rms rmx roc roe rof roi rom roo ror ros rou rox roy rrc rrf rri rrm rrr rrs rru rsc rse rsf rsi rsm rso rsr rss rsu rsx ruc rue ruf rui rum ruo rur rus ruu rux ruy rxr rxs ry- ryc rye ryf rym ryo ryr rys ryu ryy scc sce scf sci scm sco scr scs scu scx se- sec see sef sei sem seo ser ses seu sex sey sfc sfe sff sfi sfm sfo sfr sfs sfu sfx sic sie sif sii sim sio sir sis siu six smc sme smf smi smm smo smr sms smu smx smy soc soe sof soi som soo sor sos sou sox soy sr- src sre srf sri srm sro srr srs srx sry ss- ssc sse ssf ssi ssm sso ssr sss ssu ssx suc sue suf sui sum suo sur sus suu sux suy sxc sxi sxm sxs sxu sy- syc sye syi sym syr sys syu syx ucc uce ucf uci ucm uco ucr ucs ucu uec uee uef uei uem uer ues uey ufc ufe uff ufi ufm ufo ufr ufs ufu ufx uic uie uif uii uim uio uir uis uiu um- umc ume umf umi umm umo umr ums umu uoc uoe uom uoo uor uos uox ur- urc ure urf uri urm uro urr urs uru urx ury usc use usf usi usm uso usr uss usu usx uuc uue uum uur uus uuu uxc uxf uxo uxr uxu uyc uyi uyo uys uyu xcf xci xcr xcx xee xem xer xes xeu xex xfe xfm xfs xfx xic xie xii xio xis xiu xix xmc xmf xmi xmm xmo xmr xms xmu xmx xoc xof xoi xom xoo xor xos xox xrc xrf xrx xry xsc xsi xsm xss