dddd ddot ddss ddts didi dido dids diii diis dili dill dilo dils diol dior dios diot dird dirl dirr dirs dirt dis- disd disi diso diss dist diti dito dits ditt dlii dlil dlis dlit dlos dlrs dlst dod- dodd dodi dodo dods doid doil dois doit dold doli doll dolo dols dolt dood dool door doos doot dord dori doro dorr dors dort dosi doso doss dost dotd doti doto dots dott dril drit drod drol drot drrs dsdr dsls dsos dsri dsrr dssi dsst dsto dsts dtor dtot dtrl dtss iddo idid idil idio idir idis idli idls idol idos idro idso idss idts iiii iiio iiis iiit iioi iioo iios iirs iisd iisi iisr iist iitr iitt ilio ilir ilis ilit ill- illd illi illo ills illt iloo ilos ilot ilts iod- iodd iodo ioii ioio ioit iolo iooi iooo ioos iori iors ioso ioto irdo irds iri- irid iril irio iris irod irri irrs irti irts isds isil isis isit isls iso- isol isor isos isri issi isso issr isss istd isti isto istr ists itdo itil itis itll itoi itol itoo itor itos itri itrs itsi itso itto ldls ldos ldrs lidl lido lids liii liir liis lili lill lilo lils lilt lio- liod lior lios lird liri lirl liro lirr lirs lirt lisd lisi liso liss list litd liti litl lito litr lits litt llds llll llod lloo lodi lods loid loir lois loit lold loli loll lolo lols lood lool loor loos loot lord lori loro lors losi loso loss lost lotd loti lotl loto lotr lots lott lrdd lrds lroi lrrr lrst lrts ls-r lsds lsid lsso lssr lsts ltds ltrs ltsi ltsr lttr oddd oddi odds odio odir odis odoo odor odos odot odrl odso odts oido oids oiii oils oios oirt oisd oist oiti olds olid olio olis olit olli ollo olor olos olot olsi olst oodi ooid oold oolo oooo ooos oord oort oosi oost oots ordo ords ori- orid oril orio oris orit orlo oro- oror oros orot orri orro orrs orsi orso orto orts osdi osii osis osli oslo osoi osoo osor osos osrd osro ossd ossi osso osti ostr osts otis otit oto- otoo otor otos otro otrs otso otti otto otts rdio rdos rdso ridd ridi rido rids riis rill rilo riol rios riot riri rirs risd risi riso riss rist riti ritl rito rits ritt rlds rldt rlls rodd rodi rodo rods roid roil roio roir rois roit rold roll rolo rolt rood rooi rool roor roos root rori roro rort rosi roso ross rost roti rotl roto rotr rots rott rrrr rsdd rsdl rsds rsid rsis rsos rssl rsts rtdt rtls rtlt rtss rtts s-ii s-os sdds sdio sdls sdlt sdot sdrs sdsl sdss sidd sidi sido sidr sids siit sil- sild sili sill silo sils silt siod siol sior sios siot siri siro sirr sirs sirt sisd sisi siss sist sit- sitd siti sito sits sitt sl-i slds slid slir slit slod sloo slos slot slrs slst slts sodd sodo sods soil soir sois soit sold soli soll solo solr sols solt sood sool soor soos soot sord sori soro sorr sors sort sosi soso soss sost sotl soto sots sris sros srsd srtr ssdd ssid ssis ssit sslt ssot ssri ssrl ssrs sssi ssss sstd sstl ssts stds stid stil stio stir stis stit stld stlo stlt stod stol stoo stor stos stot strd stri stro strs stsi stss sttd sttr tdil tdis tdls tdor tdri tdss tidd tids tiit tild till tilo tilr tils tilt tios tird tiri tirl tiro tirr tirs tisi tiso tiss tist titi tito tits titt tldr tlli tlos tlrs todd todi todo tods todt toid toil tois toit tol- told toli toll tolo tolt tood tool toor toos toot tord tori toro torr tors tort tosi toso toss tost totd toti toto totr tots tott tri- tril trio tris trit trod troi troo tros trot trsd trsi trst trtr tsid tsis tsoi tsol tsos tssi tssr tsst tsts ttss tttt