fff ffi ffm ffo ffr ffs fft ffy fif fii fim fir fis fit fmf fmi fmm fmo fmr fms fmt fof foi fom foo for fos fot foy frf fri frm fro frr frs frt fry fsf fsi fsm fso fsr fss fst ftf fti ftm fto ftr fts ftt fty fy- fyi fyo i-f iff ifi ifm ifo ifr ifs ift ify iif iii iim iio iir iis iit im- imf imi imm imo ims imt imy io- iof ioi iom ioo ior ios iot ir- irf iri irm iro irr irs irt iry is- isf isi ism iso isr iss ist isy itf iti itm ito its itt ity iym iyo iyr iys iyt iyy m-f m-o m-r mff mfi mfm mfo mfr mfs mft mfy mi- mif mii mim mio mir mis mit miy mmf mmi mmm mmo mmr mms mmt mof moi mom moo mor mos mot moy mrf mri mrm mro mrr mrs mrt mry msf msi msm mso msr mss mst msy mtf mti mtm mto mtr mts mtt my- myf mym myo myr mys myt o-i of- off ofi ofm ofo ofr ofs oft oif oii oim oio oir ois oit om- omf omi omm omo omr oms omt omy oo- oof ooi oom ooo oor oos oot or- orf ori orm oro orr ors ort ory os- osf osi osm oso osr oss ost ot- otf oti otm oto otr ots ott oyi oyo oys rff rfi rfm rfo rfr rfs rft rif rii rim rio rir ris rit riy rmf rmi rmm rmo rmr rms rmt rof roi rom roo ror ros rot roy rrf rri rrm rrr rrs rrt rsf rsi rsm rso rsr rss rst rtf rti rtm rto rtr rts rtt rty ry- ryf rym ryo ryr rys ryy sff sfi sfm sfo sfr sfs sft sif sii sim sio sir sis sit smf smi smm smo smr sms smt smy sof soi som soo sor sos sot soy sr- srf sri srm sro srr srs srt sry ss- ssf ssi ssm sso ssr sss sst stf sti stm sto str sts stt sty sy- syi sym syr sys syt tff tfi tfm tfo tfr tfs tft tif tii tim tio tir tis tit tiy tmf tmi tmm tmo tmr tms tmt tmy to- tof toi tom too tor tos tot toy trf tri trm tro trr trs trt try tsf tsi tsm tso tsr tss tst tsy ttf tti ttm tto ttr tts ttt tty tyf tym tyo tyr tys tyt yff yfm yfr yfs yft yif yii yim yio yir yis yit ymi ymm ymo yms ymt yof yoi yom yoo yor yos yot yoy yrf yro yrs yrt ysi ysm yso ysr yss yst ysy ytf ytm yto ytr yts ytt yyf yys yyt yyy