fff ffg ffi ffm ffr ffs fft fgf fgg fgi fgm fgr fgs fgt fif fig fii fim fir fis fit fmf fmg fmi fmm fmr fms fmt frf frg fri frm frr frs frt fsf fsg fsi fsm fsr fss fst ftf ftg fti ftm ftr fts ftt gff gfi gfm gfr gfs gft ggg ggi ggm ggr ggs ggt gif gig gii gim gir gis git gmf gmg gmi gmm gmr gms gmt grf grg gri grm grr grs grt gsf gsg gsi gsm gsr gss gst gtf gtg gti gtm gtr gts gtt i-f iff ifg ifi ifm ifr ifs ift igf igg igi igm igr igs igt iif iii iim iir iis iit im- imf img imi imm ims imt ir- irf irg iri irm irr irs irt is- isf isg isi ism isr iss ist itf itg iti itm its itt m-f m-r mff mfg mfi mfm mfr mfs mft mgf mgi mgm mgr mgs mgt mi- mif mig mii mim mir mis mit mmf mmg mmi mmm mmr mms mmt mrf mrg mri mrm mrr mrs mrt msf msg msi msm msr mss mst mtf mtg mti mtm mtr mts mtt rff rfg rfi rfm rfr rfs rft rgf rgg rgi rgr rgs rgt rif rig rii rim rir ris rit rmf rmg rmi rmm rmr rms rmt rrf rrg rri rrm rrr rrs rrt rsf rsg rsi rsm rsr rss rst rtf rtg rti rtm rtr rts rtt sff sfg sfi sfm sfr sfs sft sgf sgg sgi sgm sgr sgs sgt sif sig sii sim sir sis sit smf smg smi smm smr sms smt sr- srf srg sri srm srr srs srt ss- ssf ssg ssi ssm ssr sss sst stf stg sti stm str sts stt tff tfg tfi tfm tfr tfs tft tgf tgg tgi tgm tgr tgs tgt tif tig tii tim tir tis tit tmf tmg tmi tmm tmr tms tmt trf trg tri trm trr trs trt tsf tsg tsi tsm tsr tss tst ttf ttg tti ttm ttr tts ttt