f--k ffff ffii ffrr fiff fifi fifo fiii fiil fiki fili filk fill filo fior firk flii flik flok floo flor fofo fohr foil foki foli folk foll folo folr foof fook fool for- fori fork forl foro forr frik fril frio froh frol h-ii hhhh hhof hiff hifh hifi hifk hifo hifr hihi hiho hiil hiki hili hill hilo hirf hiri hirk hiro hkir hlik hoff hohl hoho hoif hoik hoil hoir hoki hoko hol- holh holi holk holl holo hoof hook hool hoor hori hork horl horo horr ifil ifor ifrf ifri iihl iiii iiio iioi iioo ikki ikko ikoo ikri ilio ilir ilki ill- illi illo ilok iloo ioii ioio ioko iolo ioof iooi iooo iori iri- iril irio irki iroh irri k-lo kfff kffk kfhl kfil kfio kfir kflf kfli kfll kflo kfok kfoo kfor kfrh kfri kfro kfrr khfr khhk khhl khho khif khii khil khio khki khkk khkr khll khlo khlr khoi khok khol khor khri khrk khro khrr kiff kifl kifr kihh kihi kihk kiho kihr kiii kiik kikf kiki kikk kiko kikr kili kilk kill kilo kilr kioh kioi kiok kiol kioo kirf kiri kirk kiro kirr kkfi kkfr kkhh kkhi kkhk kkhr kkik kkkk kklf kklh kkli kkll kklo kkoh kkol kkoo kkor kkrf kkrh kkrk kkrl kkro kkrr klff klfh klfi klif klik klil klio klir klkk klkl klko klkr kllk kloh klok klol kloo klor klrf klrk klrr koff kofh kofi kofk kofo kohh kohi kohl koho kohr koii koil koir kokf kokh koki kokk koko kokr kolf koli kolk koll kolo kolr kooi kook kool kooo koor korf kori kork korl koro korr krff krfo krik kril krio krkh krki krkk krko krkr krlf krof kroh kroi krok krol kroo kror krrf krri krrk krrl krro krrr lhhh lhor liff lifl lifo lih- lihi liho liii liir liko lili lill lilo lio- lior liri lirk lirl liro lirr llll lloo loff lofi lohi loho lohr loif loik loir loki lokk loko loli loll lolo loof look lool loor lori lork loro lrif lroi lrrr off- offh offo offr ofik ofor ohhi ohho ohif ohio ohoh ohok oiii oiko okir okko oklo okok okol okor okro olio olki olli ollo olof olor ooff ooho oolo oooh oooo orff orfi ori- orif oril orio orko orlo oro- orof orok oror orri orro rffl rhio rhli rhoh riff riho riif riki rikk rill rilo riol riri rkkf rlif roff rofl rofo rohl rohr roif roik roil roio roir rokh roki rokk roko rokr rolf rolk roll rolo roof rooi rook rool roor rori rork roro rrif rrrr