ffff ffii ffrr fftf fiff fifi fift fiii fiil fili fill fiti fitt flii flit fluf flur fril frit ft-l ftii fuff fufu fuil fuir fuit fuli full fulu fur- furi furl furr furt futi futu ifil ifit ifrf ifri iiii iiit iitr iitt ilir ilit ill- illi illt ilut irfu iri- iril irri irtf irti irul itif itil itll itrf itri ittf itur iuiu liff lifl lift liii liir lili lill lilt lilu liri lirl lirr lirt liru liti litl litr litt litu liuf liut llll lrif lrrr lttr luff luft lufu luif luit luli lull lulu luri lurt luti rffl riff rift rifu riif rill rilu riri riti ritl ritt ritu rlif rrif rrrr rtlt ruff ruft ruif ruit rull ruri ruru ruti rutl rutt rutu tiff tift tiit tiiu till tilr tilt tiri tirl tirr tiru titi titt titu tlli trfr tri- trif tril trit trtr trut truu ttff tttt ttul tuff tufi tuft tufu tuil tuit tuiu tuli tull tulu turf turi turr turt turu tuti tutl tutt tutu uirr ulft ulli ullr ulti ultt ulul urff urfi urft urif uriu urri urur urut util utri utti uttu uulu uuri uutf uuuu