ktrc ktre ktrk ktro ktrp ktrr ktrs ktrt ktsc ktsd ktso ktsr ktst kttc kttk ktto kttp kttr ktts kttt o-eo occc occt ocds oce oced ocee ocet ocke ocks ocos ocpd ocpp ocre ocro ocrr ocrs oct- octe octo octs oddd odds oded odeo oder odes odet odoo odop odor odos odot odrp odso odts oec- oecc oedo oeds oeec oeps oere oers oese oest oked oker okes oket okko okok okor okot okpe okpo okre okro okso okto oocr ooer ooes oooo ooos oops oord oore oort oose oost ootp oots opds opec oped opep oper opes opet opo- opor opos oppo opps opto opts orce orco orcs orde ordo ords ore- orec ored orek oreo orer ores orke orko oro- oroe orok oror oros orot orpc orpe orps orro orrs orse orsk orso ortc orte orto orts oscc osce osco osec osed osee osek oser oses oset osoo osor osos osrd osro ossd osse osso ostc oste ostr osts otcd oted otee otep oter otes oto- otoe otok otoo otor otos otpp otre otro otrs otse otso otte otto otts pccc pcce pccs pcep pcer pcks pcod pcoe pcos pcpp pcps pcrc pcrd pcre pcse pcso pcte pcts pdcp pdes pdoc pdos pdpr pdrc pdrs pdsd pdss pdtc pece peck peco pecr pecs pect ped- pede pedo peds peec peed peek peep peer pees peet peke pekk peko peor pepd pepe pepo peps per- perc perd pere perk pero perp perr pers pert pese peso pess pest pete peto petr pets pett pkcs pkts pocd poce pock poco pocs pod- podd pode podo pods poed poer poes poet poke poko pood pook poop poor poos poot pop- popc pope popo popp pops popt porc pore pork poro porr pors port pose posk poso poss post potc potd pote poto pots pott ppcc ppcd ppcs ppdk ppds pper ppod ppos pppd pppo pppp ppps pprc ppss ppts pptt prcc prcd prcp prcs pre- prec pred pree prek prep pres pret pro- proc prod proe proo prop pros prot prpd prps prrd prrs prsc prsd prse prso prss prtc prtp prtr psco psdc psdp psdr psds psec psoc psos pspp pspr psps psrd psrk psrp pssc psse psso psst psts ptcc ptdc pter ptop ptpd ptrd ptsd pttc pttk rccc rccs rcdc rcde rcds rcep rcet rcos rcpd rcpo rcps rcpt rcrd rcsc rcsd rcss rctc rcts rder rdoc rdos rdpc rdso recc recd rece reck recp recr recs rect redc redd rede redo redr reds reed reek reep rees reet reke reko reks rekt reod reop reos reot repe repo repp repr reps rept rerd rere rero rers rert rese reso resp ress rest retd rete reto retr rets rett rkos rkss rkts rocc roce rock roco rocs rodd rode rodo rods roed roer roes roet roke rokk roko rokr roks rood rook roop roor roos root rope ropo rops rorc rore rork roro rort rosc rose roso rosp ross rost rotc rote rotk roto rotr rots rott rpcs rpdp rpet rpoe rpos rpps rptd rpts rred rrrr rrsp rscc rscs rsdd rsds rsee rsos rspk rspo rsps rsre rstp rsts rtcc rtce rtdt rtee rtes rtps rtss rttp rtts s-os sccc scce sccp sccs scct scdc scdp scds scec scee scep scer scet sck- scok scoo scop scor scot scpe scpo scps scpt scr- scrc scre scrs scsc scsd scso scsr scst sctc sctd scto sctr scts sdcc sdco sddc sdds sdep sder sdes sdet sdot sdpr sdps sdrc sdrs sdsc sdss se-c se-d se-e se-k se-o se-s se-t sec- secc secd sece seck seco secr secs sect sede sedo seds seec seed seek seep seer sees seet seke sekk seko sekt seoc seod seok seop sepd sepe sepo sepp sepr seps sept serc serd sere serk sero serp serr sers sert sesc sese seso sess sest set- setc sete seto sets sett sked skee skeo skep sker skes sket skoe skop skor skot skpc skpo skrt sksd skss soce sock soco socr socs sodd sode sodo sods soec soeo soep soes soke sokk soko sood sook soop soor soos soot sopd sope sopo sopp sops sord sore soro sorr sors sort sose soso soss sost sotc sote sotk soto sotp sots spcc spco spcs spdc spde spdp spdr spdt spec sped spee spek sper spes spet spke spkr spoc spod spok spoo spop spor spos spot sppd spps sprd spro sprs spsd spse spso spsp spss spst sptc spto sptr spts srcc srct srde srec sreo sres sros srpc srps srpt srsd srsp srtp srtr sscc ssce sscp sscs ssdc ssdd ssdp ssec ssee ssep sses sset ssoc ssop ssot sspc sspe sspo ssps sspt ssrc ssrs sssc ssss sstc sstd sstp ssts stcc stcp stcs stds stec sted stee stek steo step ster stes stet stks stod stoe stok stoo stop stor stos stot stpd stpp stps strc strd stre strk stro strs stss sttc sttd sttr tccc tcdd tcep tcos tcpo tctc tcts tdes tdkp tdkr tdor tdse tdss teck teco tecr tecs tect tedd tede tedk teds teec teed teek teer tees teet teke teok teor teos tepe tepp ter- terc tere terk tero terp terr ters tesc tesd tese teso tesp tess test tete teto tetr tets tett tkod tkos tkts toce tock toco todd tode todo tods todt toed toee toek toer toes toet toke toko tood took toor toos toot top- topd tope topo topp tops topt torc tord tore tork toro torp torr tors tort tosc tose tosk toso toss tost totc totd tote toto totr tots tott tpcd tpck tpcp tpcs tped tper tpke tpks tppd tppp tppr tprs tpsc tpte tptp tptr trcc tre- trec tred tree trek treo tres tret troc trod troe troo trop tros trot trpc trpe trpp trps trsd trst trtc trte trtr tscc tscp tsec tses tset tsks tsop tsos tspo tsps tspt tsse tssr tsst tstc tsts ttcp tteo tter ttoe ttop ttss tttt