fff ffo ffs fft ffy fof foo fos fot foy fsf fso fss fst ftf fto fts ftt fty fy- fyo of- off ofo ofs oft oo- oof ooo oos oot os- osf oso oss ost ot- otf oto ots ott oyo oys sff sfo sfs sft sof soo sos sot soy ss- ssf sso sss sst stf sto sts stt sty sy- sys syt tff tfo tfs tft to- tof too tos tot toy tsf tso tss tst tsy ttf tto tts ttt tty tyf tyo tys tyt yff yfs yft yof yoo yos yot yoy yso yss yst ysy ytf yto yts ytt yyf yys yyt yyy

ffff ffss fftf fofo foof foos foot foso foss fost foto fots fott foty foys foyt fsfo fssf ftfy ftos off- offo offs offy ofst ooff oofs oofy oooo ooos oost oots ooty osoo osos osso ossy osts osyt oto- otof otoo otos otoy otso otto otts oyss oyst s-os sfos sfss sfts sofo soft soof soos soot sooy soso soss sost soto sots soyo soys soyt ssot sssf ssss ssts stof stoo stos stot stoy stsf stss styf stys syff syfy syso syss syst sytt tfot tfss to-y toff tofo toft toof toos toot toso toss tost tosy toto tots tott toty toyo toys toyt tsos tsoy tssf tsst tsts tsys ttff ttoy ttss tttt ttys tyff tyft tyss tyst tyto tytt tyty yoff yoof yoot yoso yost yott yoyo yyff yyyy

fofos foofy foots footy fossy fotos foyst offof offoy offto ofoto ooooo ososo ossos otoso ototo ottos so-so softs soosy soots sooty soss- sosto sosyo sotoo sotos sotto sotts soyot sssss stoff stoos stoot stoss stots stott styff sysfs systs toffo toffs toffy tofts toost toosy toots tosos toss- tossy tosto toto- totoo totos totsy totty ttttt yo-yo yooff yoofs yosoy yotto yoyos ytost

foofoo footsy fosso fossoy oooooo ossott soosoo stotts stotty tootoo tootsy tossto tottos tsotso yo-yos yostos yoyoyo

foo-foo off-off osoyoos sssssss t-stoff too-too tossoff tototoo

toottoot

yoyoyoyoyo