dddd ddot ddpo ddps ddss ddts dfds dfdt dfrf dfri dftr dfts didi dido dids dif- diff difs diii diis dilf dili dill dilo dils diol diop dior dios diot dipl dipo dipp dips dipt dird dirl dirr dirs dirt dis- disd disi diso disp diss dist diti dito dits ditt dlii dlil dlis dlit dlos dlrs dlst dod- dodd dodi dodo dods doff doid doil dois doit dold dolf doli doll dolo dolp dols dolt dood doof dool doop door doos doot dopo dopp dopr dops dopt dord dorf dori doro dorp dorr dors dort dosi doso doss dost dotd doti doto dots dott dpdt dpll dpls dpos dpsd dpst dpts drif dril drip drit drod drof drol drop drot drrs drsp dsdp dsdr dsif dsip dsls dsos dspf dsps dspt dsri dsrp dsrr dssi dssp dsst dsto dsts dtdp dtor dtot dtpl dtrl dtss dttp fdlr fdos fdot fdst fdti fdtl ffff ffii ffps ffrr ffss fftf fidf fido fids fiff fifi fifo fift fiii fiil fild fili fill filo fils fior fios fipp fips firs fisd fisi fiss fist fiti fits fitt fldr flid flii flip flis flit flod floo flop flor flos flot flts fofo foid foil fois fold foli foll folo folr fols folt food foof fool foos foot fopp fops for- ford fori forl foro forr fors fort fosi foso foss fost foti foto fotp fots fott fpdl fpdt fprf frid fril frio frip fris frit frol frop fros frot frpd frps frso frst fsfi fsfo fspf fssf fssp ft-l ftdi ftii ftop ftos ftps ftrs ftsr iddo idfp idid idil idio idir idis idli idls idol idos idps idrf idro idsf idso idss idtp idts ifid ifil ifis ifit ifor ifpo ifps ifrf ifri ifso ifsp ifto iiii iiio iiis iiit iioi iioo iiop iios iipf iirs iisd iisi iisp iisr iist iitr iitt ilio ilir ilis ilit ill- illd illi illo illp ills illt iloo ilos ilot ilpr ilts iod- iodd iodo ioii ioio ioit iolo ioof iooi iooo ioos iopl iops iori iors ioso iotf ioto ipdi ipid ipil iplo ipod ipop ipos ippf ippo ippr ipri ipsi ipso ipsp ipss ipto ipts irdo irdp irds iri- irid iril irio irip iris irod irop irps irri irrs irsf irsp irtf irti irtp irts isds isfp isil isis isit isls iso- isof isol isop isor isos ispf ispr isps isri isrp issf issi isso issp issr isss istd isti isto istp istr ists itdo itif itil itis itll itof itoi itol itoo itor itos itrf itri itrs itsf itsi itso itsp ittf itto lddp ldif ldls ldos ldrs lfrd lftp lfts lidl lido lids liff lifl lifo lift liii liir liis lili lill lilo lils lilt lio- liod lior lios lip- lipi lipl lipo lipp lips lird liri lirl liro lirp lirr lirs lirt lisd lisi liso lisp liss list litd liti litl lito litr lits litt lldp llds llll llod lloo llps lodi lods loff lofi loft loid loif loir lois loit lold loli loll lolo lols lood loof lool loop loor loos loot lopi lopp lops lord lori loro lors losi loso losp loss lost lotd loti lotl loto lotr lots lott lpfp lpft lpod lppl lprp lpss lrdd lrds lrif lroi lrps lrrr lrst lrts ls-r lsds lsid lsof lspl lspr lsso lssp lssr lsts ltds ltps ltrs ltsi ltsp ltsr lttr oddd oddi odds odio odir odis odoo odop odor odos odot odrl odrp odso odts ofdr off- offo offr offs ofid ofit ofor ofst oftp oido oids oiii oils oios oirt oisd oist oiti olds olfs olid olio olis olit olli ollo olof olor olos olot olsi olst oodi ooff oofs ooid oold oolo oooo ooos oops oord oort oosi oost ootp oots opds opii opio opis opit opls opo- opor opos oppi oppo opps opsi opti opto opts ordo ords orff orfi orfs ori- orid orif oril orio oris orit orlo oro- orof oror oros orot orpi orps orri orro orrs orsi orso orto orts osdi osii osip osis osli oslo osoi osoo osor osos osrd osro ossd ossi osso osti ostr osts otfp otif otis otit oto- otof otoo otor otos otpp otro otrs otso otti otto otts pdfs pdos pdpr pdrs pdsd pdss pfff pffr pfft pfis pfit pfli pfps pido pids piff pifs piip pil- pild pili pill pilo pils pilt piot pipi pipo pipp pips piri pirl piro pirr pirs pisd pisi piso piss pist pitf piti pito pitr pits pitt pldt plff plid plif plio plip plis plit plod ploo plop plos plot plpp plri plsi plss pltf pltt pod- podd podi podo pods poff pofi poid poil poio pois pold poli poll polo pols polt pood poof pool poop poor poos poot pop- popi popo popp pops popt pori poro porr pors port posi poso poss post potd potf poti poto pots pott ppds ppid ppif ppli pplo ppod ppos pppd pppo pppp ppps pprf ppsf ppss ppts pptt prfs pri- prid prif prii pris prlr prls pro- prod prof prol proo prop pros prot prpd prps prrd prri prrs prsd prsi prsl prso prss prti prtp prtr psdi psdp psdr psds psfs psid psil psip psis psoi psol psos pspi pspp pspr psps psrd psrp psso psst psts ptld ptol ptop ptpd ptrd ptrf ptsd rdio rdos rdso rfdi rfds rffl rfid ridd ridi rido rids riff rifs rift riif riis rill rilo rilp riol rios riot ripd ripi ripl ripp ripr rips ript riri rirs risd risi riso risp riss rist riti ritl rito rits ritt rlds rldt rlif rlls rodd rodi rodo rods roff rofl rofo roid roif roil roio roir rois roit rold rolf roll rolo rolp rolt rood roof rooi rool roop roor roos root ropo rops rori roro rort rosi roso rosp ross rost roti rotl roto rotr rots rott rpdp rpii rpls rpof rpos rpps rptd rpts rrif rrrr rrsp rsdd rsdl rsds rsid rsis rslp rsos rspo rsps rssl rstp rsts rtdt