dddd ddot ddpo ddps ddss ddts didi dido dids diii diis diop dios diot dipo dipp dips dipt dis- disd disi diso disp diss dist diti dito dits ditt dod- dodd dodi dodo dods doid dois doit dood doop doos doot dopo dopp dops dopt dosi doso doss dost dotd doti doto dots dott dpdt dpos dpsd dpst dpts dsdp dsip dsos dsps dspt dssi dssp dsst dsto dsts dtdp dtot dtss dttp iddo idid idio idis idos idps idso idss idtp idts iiii iiio iiis iiit iioi iioo iiop iios iisd iisi iisp iist iitt iod- iodd iodo ioii ioio ioit iooi iooo ioos iops ioso ioto ipdi ipid ipod ipop ipos ippo ipsi ipso ipsp ipss ipto ipts isds isis isit iso- isop isos isps issi isso issp isss istd isti isto istp ists itdo itis itoi itoo itos itsi itso itsp itto oddd oddi odds odio odis odoo odop odos odot odso odts oido oids oiii oios oisd oist oiti oodi ooid oooo ooos oops oosi oost ootp oots opds opii opio opis opit opo- opos oppi oppo opps opsi opti opto opts osdi osii osip osis osoi osoo osos ossd ossi osso osti osts otis otit oto- otoo otos otpp otso otti otto otts pdos pdsd pdss pido pids piip piot pipi pipo pipp pips pisd pisi piso piss pist piti pito pits pitt pod- podd podi podo pods poid poio pois pood poop poos poot pop- popi popo popp pops popt posi poso poss post potd poti poto pots pott ppds ppid ppod ppos pppd pppo pppp ppps ppss ppts pptt psdi psdp psds psid psip psis psoi psos pspi pspp psps psso psst psts ptop ptpd ptsd s-ii s-os sdds sdio sdot sdps sdss sidd sidi sido sids siit siod siop sios siot sipi sipo sipp sips sipt sisd sisi siss sist sit- sitd siti sito sits sitt sodd sodo sods sois soit sood soop soos soot sopd sopi sopo sopp sops sosi soso soss sost soto sotp sots spdp spdt spio spip spis spit spod spoo spop spos spot sppd spps spsd spso spsp spss spst spto spts ssdd ssdp ssid ssis ssit ssop ssot sspo ssps sspt sssi ssss sstd sstp ssts stds stid stio stip stis stit stod stoo stop stos stot stpd stpp stps stsi stss sttd tdis tdss tidd tids tiit tiop tios tip- tipi tipo tipp tips tipt tisi tiso tiss tist titi tito titp tits titt todd todi todo tods todt toid tois toit tood toos toot top- topd topi topo topp tops topt tosi toso toss tost totd toti toto tots tott tppd tppp tptp tsid tsis tsoi tsop tsos tspo tsps tspt tssi tsst tsts ttop ttss tttt