dddd ddot dfdt dfrf dfri dftr didi dido dif- diff diii dilf dili dill dilo din- dini dinn dino dint diol dion dior diot dird dirl dirr dirt diti dito ditt dlii dlil dlit dntt dod- dodd dodi dodo doff doid doil doin doit dold dolf doli doll dolo dolt dond doni donn dono donr dont dood doof dool doon door doot dord dorf dori dorn doro dorr dort dotd doti doto dott drif dril drin drit drno drod drof drol dron drot dtor dtot dtrl fdlr fdot fdti fdtl ffff ffii ffrr fftf fidf fido fiff fifi fifo fift fiii fiil fild fili fill filn filo find fini finn fino fint fion fior firn fiti fitt fldr flid flii flin flit flod flon floo flor flot fndd fndn fndr fofo foid foil foin fold foli foll folo folr folt fond fono font food foof fool foon foot for- ford fori forl forn foro forr fort foti foto fott frid fril frin frio frit frol fron frot ft-l ftdi ftii i-no iddo idid idil idin idio idir idli idno idol idon idrf idro ifid ifil ifit ifni ifno ifnr ifor ifrf ifri iftn ifto iiii iiio iiit iino iioi iioo iitr iitt ilin ilio ilir ilit ill- illd illi illo illt ilni ilno iloo ilot ind- indi indo infi infl info inid init inni inno innr ino- inoi inol inon inor inot inri inro intd inti intl intn into intr iod- iodd iodo ioii ioio ioit iolo ioni ionn iono ioof iooi iooo iori iotf ioto irdo iri- irid iril irin irio irod iron irri irtf irti itdo itif itil itin itll itno itof itoi itol iton itoo itor itrf itri ittf itto ldif lfrd lidl lido liff lifl lifo lift liii liin liir lili lill lilo lilt lind linn lino lint lio- liod lion lior lird liri lirl lirn liro lirr lirt litd liti litl lito litr litt llll llod lloo lndn lodi loff lofi lofn loft loid loif loin loir loit lold loli loll lolo lond loni lono lonr lont lood loof lool loon loor loot lord lori lorn loro lotd loti lotl loto lotr lott lrdd lrif lroi lron lrrr ltnt lttr n-ii nddo ndfi ndnt ndor ndrf ndri nfff nfld nfon nfto nidd nidi nido niff nift niir niit nild nili nill nilo nilt nind nini ninl nino nion nioo niro nirt nitf niti nito nitr nnit nnnn nnot nntn nodi nodo nofi noid noif noil noin noio noir noit nold nolf noli noll nolo nolt non- noni nonn nono nont noo- nool noon nooo noor noot nor- nord norf nori norn noro norr nort not- noti noto nott nron nrrd nrrl nrtl ntfl ntnd ntof ntrl ntto nttr oddd oddi odin odio odir odon odoo odor odot odrl ofdr off- offo offr ofid ofit ofno ofor oido oiii oint oion oirt oiti oldn olid olin olio olit olli ollo olof olon olor olot ondi ondo onil onir onit onlf onni onno onod onon onor ont- onti onto oodi ooff ooid oold oolo oont oooo oord oort ordn ordo orff orfi ori- orid orif oril orin orio orit orlo orni orno oro- orof oron oror orot orri orro orto otif otin otit oto- otof oton otoo otor otro otti otto rdio rfdi rffl rfid ridd ridi rido riff rift riif riin rill rilo rind rinf rinn rino riol rion riot riri riti ritl rito ritt rldt rlif rlin rndf rnin rnld rnli rnnt rnod rnot rntd rodd rodi rodo roff rofl rofo roid roif roil roin roio roir roit rold rolf roll rolo rolt rond roni rono ront rood roof rooi rool roon roor root rori roro rort roti rotl rotn roto rotr rott rrif rrrr rtdt rtlt rtnd tdff tdil tdor tdri tfin tfot tidd tiff tifo tift tiit tild till tiln tilo tilr tilt tind tini tinn tino tint tion tird tiri tirl tiro tirr titi tito titt tldr tlli tlon tndd tndf tnfl todd todi todo todt toff tofi tofo toft toid toil toit tol- told toli toll tolo tolt toni tonn tono tood toof tool toon toor toot tord torf tori torn toro torr tort totd toti toto totr tott trfd trfr tri- trif tril trin trio trit trno trod troi tron troo trot trtr ttff ttfn tton tttt