dddd dfrf dfri didi dido didu dif- diff diii dilf dili dill dilo din- dini dinn dino dinu diol dion dior diou dird dirl dirr dlii dlil dod- dodd dodi dodo doff doid doil doin dold dolf doli doll dolo dolu dond doni donn dono donr dood doof dool doon door dord dorf dori dorn doro dorr doru doud douf doul doun dour drif dril drin drno drod drof drol dron drou drui druu dudd dudo dudu duff dufu duid duif duil duin duir duli dull dulo dulu dunn duno duo- duon duri durn duro duru duul duur fdlr ffff ffii ffrr ffun fidf fido fiff fifi fifo fiii fiil fild fili fill filn filo find fini finn fino fion fior firn fldr flid flii flin flod flon floo flor flou flud fluf fluo flur fndd fndn fndr fnuf fofo foid foil foin fold foli foll folo folr fond fono food foof fool foon for- ford fori forl forn foro forr foud foul foun four frid fril frin frio frol fron frou frun fudd fudi fuff fufu fuid fuil fuir fuli full fulu fund funf fuor fur- furi furl furn furo furr i-no iddo idid idil idin idio idir idli idno idol idon idrf idro idun iduo ifid ifil ifni ifno ifnr ifor ifrf ifri iiii iiio iino iioi iioo ilin ilio ilir ill- illd illi illo ilni ilno iloo ilud ind- indi indo indu infi infl info inid inni inno innr innu ino- inoi inol inon inor inou inri inro inui inul inun iod- iodd iodo ioii ioio iolo ioni ionn iono ioof iooi iooo iori ioun irdo irfu iri- irid iril irin irio irod iron irri irul irun iuiu iuno ldif lfrd lidl lido liff lifl lifo liii liin liir lili lill lilo lilu lind linn lino lio- liod lion lior lird liri lirl lirn liro lirr liru liuf liun llll llod lloo llud lndn lodi loff lofi lofn loid loif loin loir loiu lold loli loll lolo lond loni lono lonr lood loof lool loon loor lord lori lorn loro loud loui loul loun lour louu lrdd lrif lroi lron lrrr ludd ludi ludo luff lufu luif luin luli lull lulu lund luni lunn luno lurd luri n-ii nddo ndfi ndor ndrf ndri nfff nfld nfon nidd nidi nido niff niir niiu nild nili nill nilo nilu nind nini ninl nino nion nioo niou niro niru niur nnnn nodi nodo nodu nofi noid noif noil noin noio noir nold nolf noli noll nolo non- noni nonn nono nonu noo- nool noon nooo noor nor- nord norf nori norn noro norr noul noun nour nron nrrd nrrl nudd nudi nudo nuff nuin nuli null nunn nuno nuon nurd nuri nurl nurn nurr nuru oddd oddi odin odio odir odiu odon odoo odor odou odrl odur ofdr off- offo offr offu ofid ofno ofor oido oiii oion oldn olid olin olio olli ollo olof olon olor olur ondi ondo onil onir onlf onni onno onod onon onor onur oodi ooff ooid oold oolo oooo oord ordn ordo ordu orff orfi orfu ori- orid orif oril orin orio orlo orlu orni orno oro- orof oron oror orri orro ouff ouii ouin ouir ould oulu oun- ound our- ourn ouro ouu- rdio rfdi rffl rfid ridd ridi rido riff rifu riif riin rill rilo rilu rind rinf rinn rino riol rion riou riri rlif rlin rndf rnin rnld rnli rnod rodd rodi rodo roff rofl rofo roid roif roil roin roio roir roiu rold rolf roll rolo rond roni rono rood roof rooi rool roon roor rori roro roru roud rouf roul roun rrif rrrr rrun rudd rudi rudl rudo ruff rufo ruid ruif ruin rull rulo rund runf runi runn runo rurd ruri ruro ruru ruud ruun uddi udid udin udir udon udoo udun uirr ulli ullo ullr ulno ulo- ulul undi undo unfd uni- unif unii unin unio unir unlf unni unno unon unrf unro uofl uofo uor- urdu urff urfi urif urin uriu urni uro- urol uroo urri urun urur uulu uuni uuno uuri uuuu