f--k ffff ffii fiff fifi fifo fiii fiil fiki fili filk fill filo flii flik flok floo fofo foil foki foli folk foll folo foof fook fool h-ii hhhh hhof hiff hifh hifi hifk hifo hihi hiho hiil hiki hili hill hilo hlik hoff hohl hoho hoif hoik hoil hoki hoko hol- holh holi holk holl holo hoof hook hool ifil iihl iiii iiio iioi iioo ikki ikko ikoo ilio ilki ill- illi illo ilok iloo ioii ioio ioko iolo ioof iooi iooo k-lo kfff kffk kfhl kfil kfio kflf kfli kfll kflo kfok kfoo khhk khhl khho khif khii khil khio khki khkk khll khlo khoi khok khol kiff kifl kihh kihi kihk kiho kiii kiik kikf kiki kikk kiko kili kilk kill kilo kioh kioi kiok kiol kioo kkfi kkhh kkhi kkhk kkik kkkk kklf kklh kkli kkll kklo kkoh kkol kkoo klff klfh klfi klif klik klil klio klkk klkl klko kllk kloh klok klol kloo koff kofh kofi kofk kofo kohh kohi kohl koho koii koil kokf kokh koki kokk koko kolf koli kolk koll kolo kooi kook kool kooo lhhh liff lifl lifo lih- lihi liho liii liko lili lill lilo lio- llll lloo loff lofi lohi loho loif loik loki lokk loko loli loll lolo loof look lool off- offh offo ofik ohhi ohho ohif ohio ohoh ohok oiii oiko okko oklo okok okol olio olki olli ollo olof ooff ooho oolo oooh oooo