fili- fillo filot fiori firit fitil fitit fitof fitor fitri fitto flirr flirt floor floro floto foir- folio folli follo foloi fooli footi forio forit forli forro forti forto frill friol frito fritt froit froot ftrtt if-- ifill ifrit ifttt iiiii iitti iliff ilift ilio- illit ilori ioooi ioooo iorio iotit iotti irill irori irrit itfit itfor itoff ittoo ittti li-fi lilli lillo liril lirio lirot litir litti lo-fi lofoi loilo lolif lolli lollo lolol lolti looft lorio lorri lotio lotof lotor lotti lotto ltifr offir offit offof offto ofoil ofori ofoto oilit oilof oirot oitti oliff ollio olofi ooioo ooooo orfor orill oriol orito ortoo otoli otolo otori ototo ottir ottoi ri-fi rillo rioli riolo ro-ro rofor roiot rolfo rollo rooft rotfl roto- rotol rotor rotot rotti rotto ti-ti tilfi tilli tillo tirit tirli tiro- tiroi tirol tirtl titii titil titli titlo titof titti toffo tofit tofol tofor toili toill tolli tollo toloo tolor toolt torii toril torio torit torri torro torti torto toti- toto- totoo trill triol trior trit- trito tritt troff troft troil troll trott ttttt