ffff ffii ffrr fftf ffun fiff fifi fift fiii fiil fili fill filn fini finn finp fint fipp firn fiti fitt flii flin flip flit fluf flur fnuf fpin fprf fril frin frip frit frun ft-l ftii fuff fufu fuil fuir fuit fuli full fulu funf funt fur- furi furl furn furr furt futi futu ifil ifit ifni ifnr ifrf ifri iftn iiii iiit iipf iitr iitt ilin ilir ilit ill- illi illp illt ilni ilpr ilut infi infl infp init inni innr innu inp- inpi inpp inpt inri inti intl intn intp intr intu inui inul inun inup ipil ipin ippf ippr ipri ipur iput irfu iri- iril irin irip irri irtf irti irtp irul irun itif itil itin itll itrf itri ittf itup itur iuiu iupp lftp liff lifl lift liii liin liir lili lill lilt lilu linn lint lip- lipi lipl lipp lipu liri lirl lirn lirp lirr lirt liru liti litl litr litt litu liuf liun liut llll lpfp lpft lppl lprp lrif lrpu lrrr ltnt lttr luff luft lufu luif luin luit luli lull lulu luni lunn lunt lupi lupu luri lurt luti luup n-ii n-up nfff nfip niff nift niip niir niit niiu nili nill nilp nilt nilu nini ninl nipr nipt nirt niru nitf niti nitr niur nlrp nnit nnnn nnpi nnpr nntn npif npin nppl npri nprt nptn nrpn nrrl nrtl ntfl ntfp ntnu ntrl ntru nttr ntui nuff nuin nuit nuli null nunn nunt nuri nurl nurn nurp nurr nurt nuru nutt nutu pfff pffr pfft pfit pfli pfui piff piip pil- pili pill pilt pilu pini pinn pinp pint pinu pipi pipp piri pirl pirn pirr piru pitf piti pitr pitt pitu plff plif plin plip plit plnt plpp plri pltf pltt plup plur pnin pnln pnnl pnpp pntl pntr pnup ppif ppli pppn pppp pprf ppru pptn pptt ppur pri- prif prii prin prlr prnp prri prti prtp prtr pruf prut pruu ptrf ptui puff puft puin puir puit puiu puli pull pulp pult pulu punt punu pupi pupl pupu pur- puri purl purp purr puru put- puti putt putu rffl riff rift rifu riif riin rill rilp rilu rinf rinn ripi ripl ripp ripr ript riri riti ritl ritt ritu rlif rlin rnin rnli rnnt rntp rnut rpii rppn rptn rrif rrrr rrun rtlt rttp ruff ruft ruif ruin ruit rull runf runi runn runt rupp rupt ruri rurp ruru ruti rutl rutt rutu ruun tfin tfnp tfpt tftp tiff tift tiit tiiu till tiln tilr tilt tini tinn tint tinu tip- tipi tipp tipt tipu tiri tirl tirr tiru titi titp titt titu tlli tnfl tnut tpir tppp tppr tptp tptr tput trfr tri- trif tril trin trip trit trpn trpp trtr trun trut truu ttff ttfn tttt ttul tuff tufi tuft tufu tuil tuin tuit tuiu tuli tull tulp tulu tuni tunn tunu tupi tupu turf turi turn turp turr turt turu tuti tutl tutt tutu u-rp ufip uftp uint uipi uirr ulft ulli ullr ulti ultt ulul unfp uni- unif unii unin unir unit unlf unlp unni unrf unut upin upnp uppp uppu upri uptl upup urff urfi urft urif urin uriu urni urri urun urup urur urut util utin utri utti uttu uulu uuni uuri uutf uuuu