f--k ffff ffii ffss fftf fiff fifi fifo fift fiii fiil fiki fili filk fill filo fils fios fisi fisk fiss fist fiti fits fitt flii flik flis flit flok floo flos flot fltk flts fofo foil fois foki foli folk foll folo fols folt foof fook fool foos foot fosi foso foss fost foti foto fots fott fsfi fsfo fssf ft-l ftii ftos ifil ifis ifit ifso ifto iiii iiio iiis iiit iioi iioo iios iisi iist iitt ikki ikko ikoo ilio ilis ilit ilki ilks ill- illi illo ills illt ilok iloo ilos ilot ilts ioii ioio ioit ioko iolo ioof iooi iooo ioos ioso iotf ioto isil isis isit iskf isko isls iso- isof isok isol isos issf issi isso isss isti isto ists itif itil itis itko itll itof itoi itol itoo itos itsf itsi itso ittf itto k-lo k-os kfff kffk kfil kfio kfis kfit kflf kfli kfll kflo kfls kflt kfok kfoo kfsi kfsk kfst kfti kftk kftt kiff kifl kifs kift kiii kiik kiis kiit kikf kiki kikk kiko kikt kili kilk kill kilo kilt kioi kiok kiol kioo kiot kisf kisi kisk kisl kiso kiss kist kiti kitl kito kits kitt kkfi kkfs kkft kkik kkit kkkk kklf kkli kkll kklo kkls kkol kkoo kkot kksf kksi kkss kkst kktk kktl kkts klff klfi klft klif klik klil klio klis klit klkk klkl klko klks kllk klls klok klol kloo klos klsf klsi klst kltf klti kltk klto kltt koff kofi kofk kofo koft koii koil koit kokf koki kokk koko koks kolf koli kolk koll kolo kols kolt kooi kook kool kooo koos koot kos- kosf kosi koso koss kost koti kotk koto kots kott ksfi ksfo ksft ksif ksii ksik ksil ksis ksit kskf kskk ksko ksks ksli kslk ksll kslo kslt ksof ksoi ksok ksol ksoo ksos kssi kssl ksso ksss ksst ksti kstk kstl ksto ksts kstt ktfi ktfl ktfo ktfs ktik ktil ktis ktkk ktko ktks ktkt ktlf ktli ktlk ktlo ktlt ktok ktoo ktot ktsf ktsl ktso ktst kttf ktti kttk ktto ktts kttt lfts liff lifl lifo lift liii liis liko lili lill lilo lils lilt lio- lios lisi lisk liso liss list liti litl lito lits litt lkfs llks llll lloo loff lofi loft loif loik lois loit loki lokk loko loli loll lolo lols loof look lool loos loot losi loso loss lost loti lotl loto lots lott lsof lsso lsts ltsi off- offo offs ofik ofit ofst oiii oiko oiks oils oios oist oiti okko oklo okok okol okot oksi okso okto olfs olio olis olit olki olli ollo olof olos olot olsi olst ooff oofs oolo oooo ooos oosi oost oots osii osik osis oski osli oslo osoi osoo osos ossi osso osti osts otif otis otit oto- otof otok otoo otos otso otti otto otts s-ii s-os sfio sfls sfos sfss sfts siff sifl sifo sift siik siit siki siko siks sil- silf sili silk sill silo sils silt siol sios siot sisi sisk siss sist sit- siti sito sits sitt skif skik skil skio skis skit skol skot skss sl-i slft slik slit sloo slos slot slst slts sofi sofo soft soif soik soil sois soit soki sokk soko solf soli solk soll solo sols solt soof sook sool soos soot sosi soso soss sost sotk sotl soto sots ssfl ssis ssit sslt ssot sssf sssi ssss sstl ssts stif stik stil stio stis stit stks stlo stlt stof stok stol stoo stos stot stsf stsi stss tfot tfsi tfss tiff tifo tift tiit tiki tiko till tilo tils tilt tios tisi tiso tiss tist titi tito tits titt tkof tkol tkos tkts tlik tlli tlos toff tofi tofo toft toil tois toit toki toko tol- toli tolk toll tolo tolt toof took tool toos toot tosi tosk toso toss tost toti toto tots tott tsfl tsis tsks tsoi tsol tsos tssf tssi tsst tsts ttff ttss tttt