ffff ffii ffrr fftf fiff fifi fifo fift fiii fiil fili fill filo fior firy fiti fitt flii flit floo flor flot floy flyi flyt fofo foil foli foll folo folr folt foly foof fool foot for- fori forl foro forr fort foti foto fott foty foyl foyt fril frio frit frol frot ft-l ftfy ftii fyfi fyli fyry fyti iffy ifil ifit ifor ifrf ifri ifto ifyo iiii iiio iiit iioi iioo iitr iitt ilio ilir ilit ill- illi illo illt illy iloo ilot ioii ioio ioit iolo ioof iooi iooo iori iotf ioto iri- iril irio iriy irri irtf irti itif itil itll itof itoi itol itoo itor itrf itri itry ittf itto itty liff lifl lifo lift liii liir lili lill lilo lilt lily lio- lior liri lirl liro lirr lirt liry liti litl lito litr litt lity liyl llll lloo llyr loff lofi loft loif loir loit loli loll lolo loly loof lool loor loot lori loro lory loti lotl loto lotr lott lrif lroi lrrr lrry lttr ltyr lyff lyft lyfy lyif lyit lyly lyo- lyot lyro lyto lytt lyyf off- offo offr offy ofit ofor oiii oily oirt oiry oiti oiyl olio olit olli ollo olly olof olor olot olry olyf ooff oofy oolo oooo oort oory ooty orff orfi ori- orif oril orio orit orlo orly oro- orof oror orot oroy orri orro orry orto otif otit oto- otof otoo otor otoy otro otry otti otto otyr oyly oyri rffl riff rift riif rill rilo rily riol riot riri riti ritl rito ritt riyf riyo rlif roff rofl rofo roif roil roio roir roit rolf roll rolo rolt roly roof rooi rool roor root rori roro rort rory roti rotl roto rotr rott roty royl royt rrif rrrr rtlt ryff ryft ryif ryot rytt ryyf ryyt tfot tiff tifo tift tiit till tilo tilr tilt tily tiri tirl tiro tirr tiry titi tito titt tiyi tiyo tlli to-y toff tofi tofo toft toil toit tol- toli toll tolo tolt toly toof tool toor toot torf tori toro torr tort tory toti toto totr tott toty toyl toyo toyt trfr tri- trif tril trio trit troi troo trot troy trtr try- tryo ttff ttoy tttt ttyl tyff tyft tyir tyl- tyll tylo tyr- tyrf tyrl tyro tyrr tyti tyto tytt tyty yiff yift yili yill yilt yirr yiti ylli yoff yoit yoli yoll yolo yoly yoof yool yoot yori yoro yort yory yott yoyo yrly yrof yyff yyyy