-er eee eef eem eeo eer ees eev ef- efe eff efi efm efo efr efs eie eif eii eim eio eir eis eiv em- eme emf emi emm emo emr ems emv eo- eoe eof eoi eom eoo eor eos ere erf eri erm ero err ers erv es- ese esf esi esm eso esr ess esv eve evf evi evm evo evr evs evv fee fef fei fem feo fer fes fev ffe fff ffi ffm ffo ffr ffs ffv fie fif fii fim fir fis fme fmf fmi fmm fmo fmr fms fmv foe fof foi fom foo for fos fre frf fri frm fro frr frs fse fsf fsi fsm fso fsr fss fsv i-f i-v ie- iee ief iei iem ier ies iev ife iff ifi ifm ifo ifr ifs iie iif iii iim iio iir iis im- ime imf imi imm imo ims imv io- ioe iof ioi iom ioo ior ios iov ir- ire irf iri irm iro irr irs irv is- ise isf isi ism iso isr iss isv ive ivf ivi ivo ivr ivs ivv m-f m-o m-r m-v mee mef mei mem meo mer mes mev mfe mff mfi mfm mfo mfr mfs mfv mi- mie mif mii mim mio mir mis miv mme mmf mmi mmm mmo mmr mms mmv moe mof moi mom moo mor mos mov mre mrf mri mrm mro mrr mrs mrv mse msf msi msm mso msr mss msv mve mvf mvi mvm mvo mvr mvs mvv o-i oee oef oei oem oeo oer oes of- ofe off ofi ofm ofo ofr ofs ofv oie oif oii oim oio oir ois oiv om- ome omf omi omm omo omr oms omv oo- oof ooi oom ooo oor oos oov or- ore orf ori orm oro orr ors orv os- ose osf osi osm oso osr oss osv ov- ove ovf ovi ovo ovs ovv re- ree ref rei rem reo rer res rev rfe rff rfi rfm rfo rfr rfs rfv rie rif rii rim rio rir ris riv rme rmf rmi rmm rmo rmr rms rmv roe rof roi rom roo ror ros rov rrf rri rrm rrr rrs rse rsf rsi rsm rso rsr rss rsv rve rvf rvi rvm rvo rvr rvs rvv se- see sef sei sem seo ser ses sev sfe sff sfi sfm sfo sfr sfs sfv sie sif sii sim sio sir sis siv sme smf smi smm smo smr sms smv soe sof soi som soo sor sos sov sr- sre srf sri srm sro srr srs srv ss- sse ssf ssi ssm sso ssr sss ssv sve svf svi svm svo svr svs svv v-e vee vef vei vem veo ver ves vff vfi vfm vfr vfs vfv vi- vie vif vii vim vio vir vis viv vm- vmf vmi vmm vmo vmr voe vof voi vom voo vor vos vov vre vrf vri vrm vrr vrs vse vsf vsi vsm vso vsr vss vsv vvi vvm vvo vvr vvs vvv