f--k ffff ffii ffss fiff fifi fifo figg figl figo figs fiii fiil fiki fili filk fill filo fils fios fisi fisk fiss flig flii flik flis flog flok floo flos fofo fogg fogi fogl fogo fogs foil fois foki foli folk foll folo fols foof fook fool foos fosi foso foss fsfi fsfo fsgs fssf ggfg gggg ggss giff gifs gigg gigi gigo gigs giis gilf gilg gili gilk gill gilo gils giog gioi giss gli- glis glof glog glos goff gogi gogo gogs goif gois golf goli golk goll golo gols goof goog gooi gook gool goos gosi goso goss gsif gsis gsli gsos i-go ifil ifis ifso iggs igil igis igli iglo igoo igso iiii iiio iiis iioi iioo iios iisi ikig ikki ikko ikoo ilio ilis ilki ilks ill- illi illo ills ilog ilok iloo ilos ioii ioio ioko iolo ioof iooi iooo ioos ioso isil isis iskf isko isls iso- isof isok isol isos issf issi isso isss k-lo k-os kfff kffg kffk kfgi kfgo kfig kfil kfio kfis kflf kflg kfli kfll kflo kfls kfog kfok kfoo kfsg kfsi kfsk kgff kgfk kgfl kggf kggg kggi kggl kggo kgif kgil kgio kgkl kgks kgli kglk kglo kgls kgol kgos kgsl kgso kiff kifg kifl kifs kigl kigo kigs kiii kiik kiis kikf kiki kikk kiko kili kilk kill kilo kioi kiok kiol kioo kisf kisi kisk kisl kiso kiss kkfg kkfi kkfs kkgl kkgo kkik kkkk kklf kkli kkll kklo kkls kkol kkoo kksf kksi kkss klff klfg klfi klgl klgo klif klik klil klio klis klkk klkl klko klks kllk klls klog klok klol kloo klos klsf klsi koff kofg kofi kofk kofo kogg kogi kogl kogo koii koil kokf koki kokk koko koks kolf kolg koli kolk koll kolo kols koog kooi kook kool kooo koos kos- kosf kosg kosi koso koss ksfi ksfo ksgf ksgg ksgl ksif ksig ksii ksik ksil ksis kskf kskg kskk ksko ksks kslg ksli kslk ksll kslo ksof ksoi ksok ksol ksoo ksos kssi kssl ksso ksss lgfl liff lifg lifl lifo ligg ligi ligo liig liii liis liko lilg lili lill lilo lils lio- lios lisi lisk liso liss lkfs llks llll lloo loff lofi log- logi logo logs loif loik lois loki lokk loko loli loll lolo lols loof look lool loos losi loso loss lsof lsso off- offo offs ofgo ofik oggi ogli ogog ogoi ogsi oigo oiii oiko oiks oils oios okgo okko oklo okok okol oksi okso olfs olig olio olis olki olli ollo olof olog olos olsi ooff oofs oolo oooo ooos oosi osgi osii osik osis oski osli oslo osoi osoo osos ossi osso s-ii s-os sfio sfls sfog sfos sfss sggg sggs sgio sgls sgss siff sifl sifo sigg sigi sigo sigs siik siki siko siks sil- silf sili silk sill silo sils siol sios sisi sisk siss skif skig skik skil skio skis skog skol skss sl-i slig slik slog sloo slos sofi sofo sogi sogo sogs soif soik soil sois soki sokk soko solf soli solk soll solo sols soof soog sook sool soos sosi soso soss ssfl ssgs ssis sssf sssi ssss