reg rem reo rer res rev rfa rfc rfd rfe rff rfg rfm rfo rfr rfs rfv rga rgc rgd rge rgf rgg rgo rgr rgs rgv rma rmc rmd rme rmf rmg rmm rmo rmr rms rmv roa roc rod roe rof rog rom roo ror ros rov rra rrc rrd rrf rrg rrm rrr rrs rsa rsc rsd rse rsf rsg rsm rso rsr rss rsv rva rvc rvd rve rvf rvg rvm rvo rvr rvs rvv saa sac sad sae saf sag sam sao sar sas sav sca scc scd sce scf scg scm sco scr scs scv sda sdc sdd sde sdf sdg sdm sdo sdr sds sdv se- sea sec sed see sef seg sem seo ser ses sev sfa sfc sfd sfe sff sfg sfm sfo sfr sfs sfv sga sgc sgd sge sgf sgg sgm sgo sgr sgs sgv sma smc smd sme smf smg smm smo smr sms smv soa soc sod soe sof sog som soo sor sos sov sr- sra src srd sre srf srg srm sro srr srs srv ss- ssa ssc ssd sse ssf ssg ssm sso ssr sss ssv sva svc svd sve svf svg svm svo svr svs svv v-a v-e vaa vac vad vae vag vam vao var vas vav vca vcc vcd vce vcf vcm vco vcr vcs vdc vdd vde vdf vdg vdm vdo vdr vds vdv vea vec ved vee vef veg vem veo ver ves vfa vfc vfd vff vfg vfm vfr vfs vfv vga vgc vgf vgg vgm vgo vgr vgs vm- vma vmc vmd vmf vmm vmo vmr voa voc vod voe vof vog vom voo vor vos vov vra vrc vrd vre vrf vrg vrm vrr vrs vsa vsc vsd vse vsf vsg vsm vso vsr vss vsv vva vvc vvg vvm vvo vvr vvs vvv