dops dopt dord dori doro dorp dorr dors dort dosi doso doss dost dotd doti doto dots dott dpdt dpll dpls dpos dpsd dpst dpts drib dril drip drit drob drod drol drop drot drrs drsp dsdp dsdr dsip dsls dsos dsps dspt dsri dsrp dsrr dssi dssp dsst dsto dsts dtdp dtor dtot dtpl dtrl dtss dttp ibdo ibid ibis ibos ibot ibrd ibri ibro ibss ibtb ibtl ibts iddo idid idil idio idir idis idli idls idol idos idps idro idso idss idtp idts iiii iiio iiis iiit iioi iioo iiop iios iirs iisd iisi iisp iisr iist iitr iitt ilio ilir ilis ilit ill- illd illi illo illp ills illt iloo ilos ilot ilpr ilts iobi iod- iodd iodo ioii ioio ioit iolo iooi iooo ioos iopl iops iori iors ioso ioto ipdi ipid ipil iplo ipod ipop ipos ippo ippr ipri ipsi ipso ipsp ipss ipto ipts irbp irdo irdp irds iri- irid iril irio irip iris irlb irob irod irop irps irri irrs irsp irti irtp irts isbd isbl isbt isdb isds isil isis isit isls iso- isol isop isor isos ispr isps isri isrp issi isso issp issr isss istd isti isto istp istr ists itbs itdo itil itis itll itoi itol itoo itor itos itri itrs itsi itso itsp itto lbds lblr lbos lbrs lbrt lddp ldls ldos ldrs libo libr libs lidb lidl lido lids liii liir liis lilb lili lill lilo lils lilt lio- liod lior lios lip- lipb lipi lipl lipo lipp lips lird liri lirl liro lirp lirr lirs lirt lisd lisi liso lisp liss list litb litd liti litl lito litr lits litt llbs lldb lldp llds llll llod lloo llps lob- lobb lobi lobo lobs lodi lods loid loir lois loit lold loli loll lolo lols loob lood lool loop loor loos loot lopi lopp lops lord lori loro lors losi loso losp loss lost lotd loti lotl loto lotr lots lott lpod lppl lprp lpss lptb lrdd lrds lroi lrps lrrr lrst lrts ls-r lsds lsid lspl lspr lsso lssp lssr lsts ltbl ltds ltib ltps ltrs ltsi ltsp ltsr lttr obbo obdt obid obis obit obls oboi obol obor obos obot obri obro obsd obsr obss obst obtd obts odbo oddd oddi odds odio odir odis odoo odop odor odos odot odrl odrp odso odts oido oids oiii oils oios oirt oisd oist oiti olbo oldb olds olib olid olio olis olit olli ollo olor olos olot olsi olst oobi oodi ooid oold oolo oooo ooos oops oord oort oosi oost ootb ootp oots opds opii opio opis opit opls opo- opor opos oppi oppo opps opsi opti opto opts orbb orbi orbo orbs ordo ords ori- orid oril orio oris orit orlo oro- oror oros orot orpi orps orri orro orrs orsi orso orto orts osbp osdi osii osip osis osli oslo osoi osoo osor osos osrd osro ossb ossd ossi osso osti ostr osts otbd otbs otis otit oto- otoo otor otos otpp otro otrs otso otti otto otts pbil pbrs pbsp pdbs pdos pdpr pdrs pdsd pdss pibb pibi pido pids piip pil- pild pili pill pilo pils pilt piob piot pipi pipo pipp pips piri pirl piro pirr pirs pisd pisi piso piss pist piti pito pitr pits pitt plbr pldt plib plid plio plip plis plit plob plod ploo plop plos plot plpp plri plsi plss pltt pobo pobs pod- podd podi podo pods poid poil poio pois pold poli poll polo pols polt pood pool poop poor poos poot pop- popi popo popp pops popt porb pori poro porr pors port posb posi poso poss post potd poti poto pots pott ppds ppib ppid ppli pplo ppod ppos pppd pppo pppp ppps ppss ppts pptt prbs pri- prid prii pris prlr prls pro- prob prod prol proo prop pros prot prpd prps prrd prri prrs prsd prsi prsl prso prss prti prtp prtr psbd psbr psbt psdi psdp psdr psds psid psil psip psis psoi psol psos pspi pspp pspr psps psrd psrp psso psst psts ptbl ptld ptol ptop ptpd ptrd ptsd rbbb rbbr rbbs rbds rbis rbsd rbsl rbsp rbss rbst rdbp rdio rdos rdso rib- ribo ribs ridd ridi rido rids 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 rlls rob- robb robi robo robs robt rodd rodi rodo rods roid roil roio roir rois roit rold roll rolo rolp rolt roob rood 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 rpob rpos rpps rptd rpts rrrr rrsp rsbi rsdd rsdl rsds rsid rsis rslp rsos rspb rspo rsps rssl rstp rsts rtdt rtls rtlt rtps rtss rttp rtts s-ib s-ii s-os sbbs sbds sbor sbot sbsd sbsi sbsp sbst sdds sdib sdio sdls sdlt sdot sdpr sdps sdrs sdsl sdss sibi sibo sibs sidd sidi sido sidr sids siit sil- sild sili sill silo sils silt siod siol siop sior sios siot sipi sipo sipp sips sipt siri siro sirp sirr sirs sirt sisd sisi siss sist sit- sitd siti sito sits sitt sl-i slbp slds slib slid slip slir slit sllp slob slod sloo slop slos slot slpi slpp slps slrp slrs slst slts sobo sobp sobr sobs sobt sodd sodo sods soil soir sois soit sold soli soll solo solp solr sols solt sood sool soop soor soos soot sopd sopi sopo sopp sops sorb sord sori soro sorr sors sort sosi soso soss sost sotl soto sotp sots spdl spdp spdr spdt spib spio spip spir spis spit splo splp splr spls spod spoo spop spor spos spot sppd spps sprd spri spro sprs spsd spso spsp spss spst sptb spto sptr spts srib sris sros srps srpt srsd srsp srtp srtr ssbr ssdd ssdp ssid ssis ssit sslp sslt ssop ssot sspl sspo