-ol fff ffg ffl ffo ffr ffs fft ffv fgf fgg fgl fgr fgs fgt fgv flf flg fll flo flr fls flt fof fog fol foo for fos fot frf frg frl fro frr frs frt fsf fsg fsl fso fsr fss fst fsv ftf ftg ftl fto ftr fts ftt ftv fvg fvt gff gfl gfo gfr gfs gft ggg ggo ggr ggs ggt ggv glf glg gll glo glr gls glt glv gof gog gol goo gor gos got gov grf grg grl gro grr grs grt grv gsf gsg gsl gso gsr gss gst gsv gtf gtg gtl gto gtr gts gtt gtv gvf gvg gvl gvo gvr gvs gvt lff lfg lfl lfo lfr lfs lft lgf lgg lgl lgo lgr lgs lgt lgv llf llg lll llo llr lls llt llv lof log lol loo lor los lot lov lrf lrg lro lrr lrs lrt lrv lsf lsg lsl lso lsr lss lst lsv ltf ltg ltl lto ltr lts ltt ltv lvf lvg lvl lvr lvs lvt lvv of- off ofg ofl ofo ofr ofs oft ofv ogf ogg ogl ogo ogs ogt olf olg oll olo ols olt oo- oof oog ool ooo oor oos oot oov or- orf org orl oro orr ors ort orv os- osf osg osl oso osr oss ost osv ot- otf otg otl oto otr ots ott otv ov- ovf ovl ovo ovs ovv rff rfg rfl rfo rfr rfs rft rfv rgf rgg rgo rgr rgs rgt rgv rlf rlg rll rlo rlr rls rlt rof rog rol roo ror ros rot rov rrf rrg rrl rrr rrs rrt rsf rsg rsl rso rsr rss rst rsv rtf rtg rtl rto rtr rts rtt rtv rvf rvg rvl rvo rvr rvs rvt rvv sff sfg sfl sfo sfr sfs sft sfv sgf sgg sgl sgo sgr sgs sgt sgv slf slg sll slo slr sls slt slv sof sog sol soo sor sos sot sov sr- srf srg srl sro srr srs srt srv ss- ssf ssg ssl sso ssr sss sst ssv stf stg stl sto str sts stt stv svf svg svl svo svr svs svt svv tff tfg tfl tfo tfr tfs tft tgf tgg tgl tgo tgr tgs tgt tgv tlf tlg tll tlo tlr tls tlt tlv to- tof tog tol too tor tos tot tov trf trg trl tro trr trs trt trv tsf tsg tsl tso tsr tss tst tsv ttf ttg ttl tto ttr tts ttt ttv tvf tvg tvl tvo tvr tvs tvt vff vfg vfl vfr vfs vft vfv vgf vgg vgl vgo vgr vgs vgt vl- vlf vll vlo vls vlt vlv vof vog vol voo vor vos vot vov vrf vrg vrr vrs vrt vsf vsg vsl vso vsr vss vst vsv vtg vtl vto vtr vts vtt vtv vvg vvo vvr vvs vvt vvv