f-unit ffrith filfil filli- fillin filmir finiff finnif firmin firmth fitful fithul fittin fittit fluhli flurri friuli frumth frunti fruti- frutti fulfil fultum fumuli funrun furfur furrfu furrin furtum hififi hihful hilili hillir hillul hintin hintiu hirmil hirtum hittin hluthi htilin htruth huffin huh-uh huimin hullur hultin huluhu humhum humiri humlin hummin hummum humuli humult hunnum hunnur hurth hurumu huthur huthut ihitit illfit illful illini illlit imfull imhurt imirim imlili infill infilm infini infirm infitt infull inhumi innuit intill intimi intrim intuit inturn inulin ithunn ittiri iultin lifful liftin lifull lilith lilium lilliu liluri limini limni- limuli limuru linlin lintil lithi- lithur litlum lituit liulin lufful luhuti lullin lumin- lumuli lunlun lurulu luthur lutrin mifumi mihuti milful milium milli- millin minimi minimt minium minnit minnum minthi mintiu minuit mirihi mirili miriti miruru mithri mithun mithur mitini mitrit mittin mm-hmm muffin muffit muffti muflih muhuhu muhurr muhuru muilin mullin mullum mullur mulmul mulmur multi- multul multum munhiu munnur muntin murfin muriti muritu murium murlin murmir murmur murrin murrit muthur mutitu muttur mutufu mutuli muturi mutuum muumuu nihill nihiru nilium nilnil nimrim nimrin ninlil nintin nitril nitrum nittur nrrfrm ntuntu nuffin nuh-uh nulli- nummi- nurulu nuthin nutlin rhithm riffin rififi rimini rimuli rintin rirumu ritini rititi ruffin rumint rumti- run-in runhit runnin runnit runumi rurutu ruthin rutuli ruutli t-film t-unit thithi thrift thrili thrill thrnnm thruff thulin thulir thulur thumri thurii thurin tiff-f tiffin tiltil timimi timiri timlin tinful tinhrn tinnum tintin tintri tirful tirhut tirrit titini titiri tituli triinu trinil trinum triumf truful truiff truitt trulli tuffin tuftin tuhuti tuiuti tumtum tumuli tumult tunful tunill tuntul tuntum turini turmit turmut turnin turrum turtur tururu tutill tuttul tuttut u-turn uh-huh ulithi ulutiu um-hum uminum umirim umtiff umurlu unfill unfilm unfirm unfull unfurl unh-uh unhill unhull unhunh unhurt unifil unimin unlull unnitt unruth untill untint untrim untrum unturf unturn urnful urturn uthiru uttini