fff ffo ffr ffs fft ffu fof foo for fos fot fou frf fro frr frs frt fru fsf fso fsr fss fst fsu ftf fto ftr fts ftt ftu fuf fuo fur fus fut fuu of- off ofo ofr ofs oft ofu oo- oof ooo oor oos oot or- orf oro orr ors ort oru os- osf oso osr oss ost osu ot- otf oto otr ots ott otu ou- ouf ouo our ous out rff rfo rfr rfs rft rfu rof roo ror ros rot rou rrf rrr rrs rrt rru rsf rso rsr rss rst rsu rtf rto rtr rts rtt rtu ruf ruo rur rus rut ruu sff sfo sfr sfs sft sfu sof soo sor sos sot sou sr- srf sro srr srs srt ss- ssf sso ssr sss sst ssu stf sto str sts stt stu suf suo sur sus sut suu tff tfo tfr tfs tft tfu to- tof too tor tos tot tou trf tro trr trs trt tru tsf tso tsr tss tst tsu ttf tto ttr tts ttt ttu tuf tuo tur tus tut tuu uff ufo ufr ufs uft ufu uoo uor uos uot ur- urf uro urr urs urt uru usf uso usr uss ust usu utf uto utr uts utt utu uur uus uut uuu

-ous ffff ffrr ffss fftf fofo foof foos foot for- foro forr fors fort foso foss fost foto fots fott four fous fout fros frot frou frso frst fsfo fssf ftos ftrs ftsr fuff fufu fuor fur- furo furr furs furt fuso fuss fust fusu futo futs futu off- offo offr offs offu ofor ofst ofus ooff oofs oooo ooos oort oost oots oous orff orfs orfu oro- orof oror oros orot orro orrs orso orsu orto orts orus osoo osor osos osro osso ossu ostr osts oto- otof otoo otor otos otro otrs otso otsu otto otts ottu otur otus ouff our- ouro ours ourt oust out- outo outs ouu- roff rofo roof roor roos root roro rort roru roso ross rost roto rotr rots rott rouf rous rout rrrr rsos rsts rstu rtss rtts ruff rufo ruft ruro rurs ruru ruso russ rust rusu ruto ruts rutt rutu s-os sfor sfos sfro sfss sfsu sfts sofo soft soof soor soos soot soro sorr sors sort soru soso soss sost soto sots sotu souf sour sous sout sros srtr ssot ssrs sssf ssss ssts stfu stof stoo stor stos stot stou stro strs stru stsf stss sttr stuf stur stus stut suf- suff sufr sufs sufu suor suos sur- surf suro surr surs surt suru sus- suso suss sust susu suto sutu suus tfot tfrs tfss toff tofo toft tofu toof toor toos toot torf toro torr tors tort toru toso toss tost tosu toto totr tots tott tour tous tout trfr troo tros trot trou trst trtr trus trut truu tsos tsou tssf tssr tsst tsts ttff ttss tttt tuff tufo tuft tufu tuor tuos turf turo turr turs turt turu tuss tust tuto tuts tutt tutu tuuo ufos uofo uor- urff urft uro- uroo urso urss ursu urts urur urus urut usfs usos ussf ussr usss usst ussu usto usts usus utfo utor utto uttu uutf uuuu

fofos foots foros forro forso forss forst forto forts forur forus fotos fotur fotus fouro fours foust fouts froot frost frots frust fruto ftrtt fu-fu fuffs furo- furor furrs furst furus fuso- fusor fusts fusus futsu futur offof offto ofosu ofoto ofour ooooo ootus orfor oroso orost orosu orout ortoo oruro orust orutu ososo ossos ossur ostro osusu otoso ototo otour otros ottos ottur ouoro ousts outof outro outto outts ro-ro rofor roofs rooft roost roots rorts rosso rosss rosto rosts rosu roto- rotor rotos rotot rotto roust routs routt rsssf rsust ruffo ruffs rufo- rufus rusor rusot russo rusts rustu ruutu s-o-r sfouf so-so softs soort sooru soots soror soros sorso sorsu sorts sortu sorus soss- sosto sosus sotoo sotos sotsu sotto sotts souff sours sous- souto sroof sroot sssss stoff stoor stoos stoot storo storr stors stort stoss stots stott stouf stour stout strof stros strot strrs strut stuff stuft sturt stuss suffr suffs suftu surfs surot surtr surur surus susso susto susus sutor sutot sutro sutto suttu toffo toffs tofor tofts tofus toost toots toros torro torrs torso torst torto torts tortu torus tosos toss- tosto toto- totoo totos totus touro tours toust touts troff troft tross trost trots trott trous trout truff truro truso truss trust truus tsoro tsort tsuro tsuru tsuur ttttt tuffs tufts tuotu turfs turot turro turss turst tursu turtu turut tusor tutor tutto tutus tuuru ufofu uros urost urour urous ursus urutu usfor usour ustoo ustou ustur usutu utfsf utro- utror uttur uturu ututo uuuuu

foofoo foofur forout forros forrot fosso fossor foufou fourof fourou fourto froots frosts froust frutos furfur furors furour furrfu fusors futtsu futuro offutt ofsort oftfor oofotr oooooo orrour ossott ossous ostour ottoor ououso ousrou outfor outour outros outtro rofors roosts rootof rostr- rotors rotour rotout rotrou rousts routot ruffus rufous rurutu russo- russus rutour soorts soosoo sorors sorous sorrus sorsor sortof sostro sourou sousou ssorts sssfrs stofor storrs stotts stours stouts stroof stroot stross strost strout strust struts strutt stuffo stuffs sturts suroso surtur susort susurr sutoro suttoo suttor to-fro tootoo torfou tororo torous torsor torsos tortor tortou tortus tossto totoro totrot tottos tottus tou-fu touros tourou toutou toutuo troost troots trosso trotro trouss troust trouts trusts tsooru tsotso tuotuo turos turssu turtur tururu tussur tutors tutour tuttut ustour utroor

foo-foo footrot forroot fossors fou-fou fourtou frousts furrour off-off ofsorts ostoros ottrott outfoot outroot rootfor rootout rootrot rostro- rostrot routous russoft rustorf rustout softfur sootoro sorfors sortout sou-sou sssssss stroots strouss strouts surfoot surtout sussout sutturu suursoo t-stoff too-too torsors tortour tossoff tossout tototoo tro-tro trofors trotoff trotout trustor trustto turross tusuros tut-tut tutours tuttuts ufotofu usotour usurous

footrots fosforus froufrou outfoots outroots rootsfor rootsout rostrous sort-out sourtout storfors surtouts sussurus susurrus toottoot torotoro tortuous tourtour trotsout trustors truststo