dddd ddot ddss ddts dfds dfdt dfrf dfri dftr dfts dhfs dhis dhod dhor didi dido dids dif- diff difs diii diis dior dios diot dird dirr dirs dirt dis- disd dish disi diso diss dist dith diti dito dits ditt dod- dodd dodi dodo dods doff dohr dohs doid dois doit dood doof door doos doot dord dorf dori doro dorr dors dort dosh dosi doso doss dost dotd doth doti doto dots dott drhs drif drih drit drod drof droh drot drrs dsdr dshs dsif dsos dsri dsrr dssi dsst dsto dsts dthd dtor dtot dtss fdhs fdos fdot fdst fdti ffff ffhs ffii ffrr ffss fftf fhfs fhhs fhit fhrs fhss fidf fido fids fiff fifi fifo fift fiii fior fios firs fisd fish fisi fiss fist fiti fits fitt fofo fohr fohs foid fois food foof foos foot for- ford fori foro forr fors fort fosh fosi foso foss fost foth foti foto fots fott frhs frid frio fris frit froh fros frot frso frst fsfi fsfo fshd fshs fssf ftdi fths ftii ftos ftrs ftsr h-ii hdhs hdif hdod hdos hdri hdss hdtt hfhs hfrs hfss hhds hhhh hhhs hhof hidi hids hiff hifh hifi hifo hifr hihi hiho hiht hiis hiit hird hirf hiri hiro hirs hirt hisd hish hiss hist hiti hito hits hitt hodh hodi hodr hods hoff hofs hoho hoid hoif hoir hois hoit hood hoof hoor hoos hoot hord hori horo horr hors hort hosh hoss host hotd hoth hoti hoto hotr hots hott hrhs hrid hrit hrod hros hrso hsfs hshs hsts hths htoh httr iddo idid idio idir idis idos idrf idro idsf idso idss idts ifht ifid ifis ifit ifor ifrf ifri ifso ifto ihdr ihis ihit ihrd ihss iiht iiii iiio iiis iiit iioi iioo iios iirs iisd iisi iisr iist iitr iitt iod- iodd iodo ioii ioio ioit ioof iooi iooo ioos iori iors ioso iotf ioto irdo irds irhs iri- irid irio iris irod iroh irri irrs irsf irtf irti irts isds ishi ishr ishs isis isit iso- isof isor isos isri issf issh issi isso issr isss istd isth isti isto istr ists itdo iths itif itis itof itoh itoi itoo itor itos itrf itri itrs itsf itsi itso ittf itto oddd oddi odds odio odir odis odoh odoo odor odos odot odso odts ofdr off- offh offo offr offs ofid ofit ofor ofst ohhi ohho ohhs ohid ohif ohio ohis ohoh ohos ohso ohss ohto oido oids oiii oios oirt oisd oist oiti oodi ooff oofs ooho oohs ooid oooh oooo ooos oord oort oosi oost oots ordo ords orff orfi orfs orhs ori- orid orif orio oris orit oro- orof oror oros orot orri orro orrs orsi orso orth orto orts osdi oshi osho oshs osii osis osoi osoo osor osos osrd osro ossd ossi osso osti ostr osts otho othr oths otif otis otit oto- otof otoh otoo otor otos otro otrs otso otti otto otts rdhs rdio rdos rdso rfdi rfds rfhs rfid rhfs rhhs rhio rhod rhoh rhos ridd ridi rido rids riff rifs rift riho rihs riht riif riis rios riot riri rirs risd rish risi riso riss rist rith riti rito rits ritt rodd rodi rodo rods roff rofo rohr rohs roid roif roio roir rois roit rood roof rooi roor roos root rori roro rort rosh rosi roso ross rost roth roti roto rotr rots rott rrhs rrif rrrr rsdd rsds rshd rshs rsid rsis rsos rsts rtdt rths rtss rtts s-ii s-os sdds sdhd sdhs sdif sdio sdot sdrs sdsf sdss sfhs sfio sfor sfos sfro sfss sfts shft shhh shhs shid shih shii shio shir shis shit shod shof shoo shor shos shot shri shrs shts sidd sidh sidi sido sidr sids siff sifo sifr sift sihi sihr sihs siht siit siod sior sios siot sirf siri siro sirr sirs sirt sisd sish sisi siss sist sit- sitd sith siti sito sits sitt sodd sodo sods sofi sofo soft sohh soho sohs soif soir sois soit sood soof soor soos soot sord sorh sori soro sorr sors sort sosh sosi soso soss sost soth soto sots srfi srhs sris sros srsd srtr ssdd ssdf sshs ssid ssis ssit ssot ssri ssrs sssf sssh sssi ssss sstd ssth ssts stds sths stid stif stih stio stir stis stit stod stof stoo stor stos stot strd stri stro strs stsf stsi stss sttd sttr tdff tdhs tdis tdor tdri tdss tfot tfrs tfsd tfsi tfss thdr thds thi- thif thio thir this thof thoo thor thos thot thri thro thsd thsr thss thtr thts tidd tids tiff tifo tift tiht tiit tios tird tiri tiro tirr tirs tish tisi tiso tiss tist tith titi tito tits titt todd todi todo tods todt toff tofi tofo toft tohi toho toid tois toit tood toof tooh toor toos toot tord torf tori toro torr tors tort tosh tosi toso toss tost totd toth toti toto totr tots tott trfd trfr trhs tri- trif trio tris trit trod troi troo tros trot trsd trsi trst trtr tshi tshs tsid tsis tsoi tsos tssf tssi tssr tsst tsts ttff ttss tttt