ffff ffii ffss fftf fgts fiff fifi fifo fift figg figl figo figs fiii fiil fili fill filo fils fios fisi fiss fist fiti fits fitt flig flii flis flit flog floo flos flot fltg flts fofo fogg fogi fogl fogo fogs foil fois foli foll folo fols folt foof fool foos foot fosi foso foss fost foti foto fots fott fsfi fsfo fsgs fssf ft-l ftii ftos ggfg gggg ggss giff gifs gift gigg gigi gigo gigs giis gilf gilg gili gill gilo gils gilt giog gioi giss gist gito gits gli- glis glit glof glog glos glot goff gogi gogo gogs goif gois goit golf goli goll golo gols golt goof goog gooi gool goos goot gosi goso goss gost goti gotl goto gots gott gsif gsis gsli gsos gtfo gtos i-go ifil ifis ifit ifso ifto iggs igil igis igli iglo igoo igot igso iiii iiio iiis iiit iioi iioo iios iisi iist iitt ilio ilis ilit ill- illi illo ills illt ilog iloo ilos ilot ilts iogt ioii ioio ioit iolo ioof iooi iooo ioos ioso iotf ioto isil isis isit isls iso- isof isol isos issf issi isso isss isti isto ists itgo itgs itif itil itis itll itof itoi itol itoo itos itsf itsi itso ittf itto lfts lgfl lgts liff lifg lifl lifo lift ligg ligi ligo liig liii liis lilg lili lill lilo lils lilt lio- lios lisi liso liss list liti litl lito lits litt llll lloo loff lofi loft log- logi logo logs loif lois loit loli loll lolo lols loof lool loos loot losi loso loss lost loti lotl loto lots lott lsof lsso lsts ltgs ltsi off- offo offs ofgo ofit ofst oggi ogli ogog ogoi ogsi oigo oiii oils oios oist oiti olfs olig olio olis olit olli ollo olof olog olos olot olsi olst ooff oofs oolo oooo ooos oosi oost oots osgi osii osis osli oslo osoi osoo osos ossi osso osti osts otif otis otit oto- otof otog otoo otos otsg otso otti otto otts s-ii s-os sfio sfls sfog sfos sfss sfts sggg sggs sgio sgls sgss sgts siff sifl sifo sift sigg sigi sigo sigs siit sil- silf sili sill silo sils silt siol sios siot sisi siss sist sit- siti sito sits sitt sl-i slft slig slit slog sloo slos slot slst slts sofi sofo soft sogi sogo sogs soif soil sois soit solf soli soll solo sols solt soof soog sool soos soot sosi soso soss sost sotl soto sots ssfl ssgs ssgt ssis ssit sslt ssot sssf sssi ssss sstl ssts stif stig stil stio stis stit stlg stlo stlt stof stog stol stoo stos stot stsf stsi stss tfot tfsi tfss tgif tgts tiff tifo tift tigi tigs tiit till tilo tils tilt tios tisi tiso tiss tist titi tito tits titt tlli tlos toff tofi tofo toft togo togs togt toil tois toit tol- toli toll tolo tolt toof tool toos toot tosi toso toss tost toti toto tots tott tsfl tsgt tsig tsis tsoi tsol tsos tssf tssg tssi tsst tsts ttff ttss tttt