fff ffo ffr ffs fft fof foo for fos fot frf fro frr frs frt fsf fso fsr fss fst ftf fto ftr fts ftt of- off ofo ofr ofs oft oo- oof ooo oor oos oot or- orf oro orr ors ort os- osf oso osr oss ost ot- otf oto otr ots ott rff rfo rfr rfs rft rof roo ror ros rot rrf rrr rrs rrt rsf rso rsr rss rst rtf rto rtr rts rtt sff sfo sfr sfs sft sof soo sor sos sot sr- srf sro srr srs srt ss- ssf sso ssr sss sst stf sto str sts stt tff tfo tfr tfs tft to- tof too tor tos tot trf tro trr trs trt tsf tso tsr tss tst ttf tto ttr tts ttt

ffff ffrr ffss fftf fofo foof foos foot for- foro forr fors fort foso foss fost foto fots fott fros frot frso frst fsfo fssf ftos ftrs ftsr off- offo offr offs ofor ofst ooff oofs oooo ooos oort oost oots orff orfs oro- orof oror oros orot orro orrs orso orto orts osoo osor osos osro osso ostr osts oto- otof otoo otor otos otro otrs otso otto otts roff rofo roof roor roos root roro rort roso ross rost roto rotr rots rott rrrr rsos rsts rtss rtts s-os sfor sfos sfro sfss sfts sofo soft soof soor soos soot soro sorr sors sort soso soss sost soto sots sros srtr ssot ssrs sssf ssss ssts stof stoo stor stos stot stro strs stsf stss sttr tfot tfrs tfss toff tofo toft toof toor toos toot torf toro torr tors tort toso toss tost toto totr tots tott trfr troo tros trot trst trtr tsos tssf tssr tsst tsts ttff ttss tttt

fofos foots foros forro forso forss forst forto forts fotos froot frost frots ftrtt offof offto ofoto ooooo orfor oroso orost ortoo ososo ossos ostro otoso ototo otros ottos ro-ro rofor roofs rooft roost roots rorts rosso rosss rosto rosts roto- rotor rotos rotot rotto rsssf s-o-r so-so softs soort soots soror soros sorso sorts soss- sosto sotoo sotos sotto sotts sroof sroot sssss stoff stoor stoos stoot storo storr stors stort stoss stots stott strof stros strot strrs toffo toffs tofor tofts toost toots toros torro torrs torso torst torto torts tosos toss- tosto toto- totoo totos troff troft tross trost trots trott tsoro tsort ttttt

foofoo forros forrot fosso fossor froots frosts ofsort oftfor oofotr oooooo ossott ottoor rofors roosts rootof rostr- rotors soorts soosoo sorors sorsor sortof sostro ssorts sssfrs stofor storrs stotts stroof stroot stross strost to-fro tootoo tororo torsor torsos tortor tossto totoro totrot tottos troost troots trosso trotro tsotso

foo-foo footrot forroot fossors off-off ofsorts ostoros ottrott rootfor rootrot rostro- rostrot sootoro sorfors sssssss stroots t-stoff too-too torsors tossoff tototoo tro-tro trofors trotoff

rootsfor storfors toottoot torotoro

frostroot off-sorts

footforfoot