filfil filli- fillol filoli firfol firlot fitfor fitoor fittit flitto flori- florio florit foliot foofoo footit forlii forlot forrit forrot frifot fritto frollo frooti frootl iiooio illfit illlit iloilo ittiri ittro- liotti littor lloro looloo loriot offrir oftfor oilfor oillit oofotr oooooo oriolo orloff orroli ototoi ottoii ottoor rififi rititi ritto roflol rolli rollio rollot roloff rootof rotolo tiff-f tillot tiltil tirolo tirrit tirtol titfor titiri titoff to-fro to-rit toftir toitoi tootoo torill torito torolf toroli torori tororo torril torrit tortor totoro totrot tottoi trillo triolo trito- tritor troili trolli trollt trotro