-ol fff ffg ffi ffl ffo ffr ffs fft fgf fgg fgi fgl fgr fgs fgt fif fig fii fil fir fis fit flf flg fli fll flo flr fls flt fof fog foi fol foo for fos fot frf frg fri frl fro frr frs frt fsf fsg fsi fsl fso fsr fss fst ftf ftg fti ftl fto ftr fts ftt gff gfi gfl gfo gfr gfs gft ggg ggi ggo ggr ggs ggt gif gig gii gil gio gir gis git glf glg gli gll glo glr gls glt gof gog goi gol goo gor gos got grf grg gri grl gro grr grs grt gsf gsg gsi gsl gso gsr gss gst gtf gtg gti gtl gto gtr gts gtt i-f iff ifg ifi ifl ifo ifr ifs ift igf igg igi igl igo igr igs igt iif iii iil iio iir iis iit il- ilf ilg ili ill ilo ilr ils ilt io- iof iog ioi iol ioo ior ios iot ir- irf irg iri irl iro irr irs irt is- isf isg isi isl iso isr iss ist itf itg iti itl ito its itt lff lfg lfi lfl lfo lfr lfs lft lgf lgg lgi lgl lgo lgr lgs lgt lif lig lii lil lio lir lis lit llf llg lli lll llo llr lls llt lof log loi lol loo lor los lot lrf lrg lri lro lrr lrs lrt lsf lsg lsi lsl lso lsr lss lst ltf ltg lti ltl lto ltr lts ltt o-i of- off ofg ofi ofl ofo ofr ofs oft ogf ogg ogi ogl ogo ogs ogt oif oii oil oio oir ois oit olf olg oli oll olo ols olt oo- oof oog ooi ool ooo oor oos oot or- orf org ori orl oro orr ors ort os- osf osg osi osl oso osr oss ost ot- otf otg oti otl oto otr ots ott rff rfg rfi rfl rfo rfr rfs rft rgf rgg rgi rgo rgr rgs rgt rif rig rii ril rio rir ris rit rlf rlg rli rll rlo rlr rls rlt rof rog roi rol roo ror ros rot rrf rrg rri rrl rrr rrs rrt rsf rsg rsi rsl rso rsr rss rst rtf rtg rti rtl rto rtr rts rtt sff sfg sfi sfl sfo sfr sfs sft sgf sgg sgi sgl sgo sgr sgs sgt sif sig sii sil sio sir sis sit slf slg sli sll slo slr sls slt sof sog soi sol soo sor sos sot sr- srf srg sri srl sro srr srs srt ss- ssf ssg ssi ssl sso ssr sss sst stf stg sti stl sto str sts stt tff tfg tfi tfl tfo tfr tfs tft tgf tgg tgi tgl tgo tgr tgs tgt tif tig tii til tio tir tis tit tlf tlg tli tll tlo tlr tls tlt to- tof tog toi tol too tor tos tot trf trg tri trl tro trr trs trt tsf tsg tsi tsl tso tsr tss tst ttf ttg tti ttl tto ttr tts ttt