iiii iiio iiit iioi iioo iitr iitt ilio ilir ilit ill- illi illo illt iloo ilot ilut ioii ioio ioit iolo iooi iooo iori ioto iri- iril irio irri irti irul itil itll itoi itol itoo itor itou itri itto itur iuiu liii liir lili lill lilo lilt lilu lio- lior liri lirl liro lirr lirt liru liti litl lito litr litt litu liut llll lloo loir loit loiu loli loll lolo lool loor loot lori loro loti lotl loto lotr lott loui loul lour lout louu lroi lrrr lttr luit luli lull lulu luri lurt luti oiii oirt oiti olio olit olli ollo olor olot oltu olur oolo oooo oort ori- oril orio orit orlo orlu oro- oror orot orri orro orto otit oto- otoo otor otro otti otto ottu otur ouii ouir ouit oulu our- ouro ourt out- outi outo ouu- rill rilo rilu riol riot riou riri riti ritl rito ritt ritu roil roio roir roit roiu roll rolo rolt rooi rool roor root rori roro rort roru roti rotl roto rotr rott roul rout rrrr rtlt ruit rull rulo ruri ruro ruru ruti rutl ruto rutt rutu tiit tiiu till tilo tilr tilt tiou tiri tirl tiro tirr tiru titi tito titt titu tlli toil toit tol- toli toll tolo tolt tolu tool toor toot tori toro torr tort toru toti toto totr tott toui toul tour tout tri- tril trio trit troi troo trot trou trtr trut truu tttt ttul tuil tuit tuiu tuli tull tulo tulu tuor turi turo turr turt turu tuti tutl tuto tutt tutu tuuo uirr ulli ullo ullr ulo- ulti ulto ultt ulul uor- uriu uro- urol uroo urri urur urut util utor utri utti utto uttu uulu uuri uuuu