fiini fili- filin fillo filon filot filtu finif finno finul fionn fitil fitin fitit fitof fiton fitou fitto flinn flint floto flout fluff fluit fluo- fluon foini folin folio folli follo foloi folon fonio fonni fooli footi foton fotui fount fu-fu fullf fullo funit fuoni futon if-- iffou ifill ifin ifnot ifttt iiiii iitti iiuni iliff ilift ilino ilio- ilion illin illit illui iloni ilton ilulu infin infit info- infun inili inini inio inio- inion inlot innit inniu innti inoff inoil inoli inonu inout intil intio intoo inuit iolon iono- ionut ioooi ioooo iotit iotti itfit itfun ition itnot itoff itout itton ittoo ittti itu-t ituni itutu iufni iuliu iunit iunno li-fi li-on lifou lilfu lilin liliu lilli lillo lilou lilun linin linlu linon linot linou lioni lionn lioun liton litti litui liuli lo-fi lofoi lofou loilo lolif lolli lollo lolol lolti looft looni lotio lotof loton lotti lotto louin louit lount luiff luino lulin lulli lulul luni- lunin lutfi lutin lutol luton lutto lutui nifon niilo nilin nilit nilo- nilot ninon ninti nintu ninut niono nitin nitol niton nitot nitti nitto nnooo no-fi no-no nofit nofou nofun nofut noint nolin nolot non-u nonin nonio nonni nonno nonot nooil nooit noonu not-i notif notil notin notit notlo notno noto- notof noton notto noult nouni ntini ntnui nu-nu nuiit nulli nullo nulti nunit nunni nunon nunun nutil nuton offin offit offof offon offto offun ofoil ofono ofoto oftin oilit oilof oilon oino- oinoi oitti oliff ollio ollon olnut olofi olotu olton onin onion onlot onoff onont onoon onoto onout onto- ontof ontoo ooioo oonin oonli ooooo otion otnit otoli otolo otono ototo ottoi otulu oullo oulon oulun outin outof outon outto t-nut ti-ti tifni tilfi tilli tillo tinfo tinli tinto tinui tinun tiout titii titil titin titli titlo titof titou titti tllnn tntnt toffo tofit tofol toili toill toini tolli tollo tolon toloo tolu- tolui tonio tonit tono- tonof tonti tonto toolt toti- totin toto- toton totoo touil touit toull ttttt tuffi tufin tufit tuili tulfo tulin tulio tulno tulou tului tulun tunon tuoni tuotu tutin tutli tutti tutto tutun tuuli u-n-i u-nii ufofu ufton uifli uitti ullin ulno- ultio ululu uluti unfit unfun unifi unini uninn union uniti unlit unnun unnut unoft unoil until utili ututo uuuuu