ppps pprc ppru ppss ppts pptt ppur prcc prcd prcp prcs pre- prec pred pree prep pres pret preu pri- prid prie prii pris prpd prps prrd prri prrs prsc prsd prse prsi prss prtc prti prtp prtr prud prue prus prut pruu psci pscu psdc psdi psdp psdr psds psec psei psid psip psis pspi pspp pspr psps psrd psrp pssc psse psst psts pstu ptcc ptdc pter ptpd ptrd ptsd pttc ptui pu-e puce puds pudu pued puer puet pueu puid puir puis puit puiu pupe pupi pups pupu pur- pure puri purp purr purs puru pusd pusi puss pust put- pute puti puts putt putu puuc rccc rccs rcdc rcde rcds rcep rcet rcic rcid rcis rcpd rcpi rcps rcpt rcrd rcsc rcsd rcsi rcss rctc rcti rcts rder rdpc recc recd rece reci recp recr recs rect recu redc redd rede redi redr reds redu reed reep rees reet reid reii reir reis reit reiu repe repi repp repr reps rept repu rerd rere reri rers rert reru rese resi resp ress rest retd rete reti retr rets rett reue reup reus reut reuu ricc rice rics rict ridc ridd ride ridi rids ried riep rier ries riet rieu riis ripd ripe ripi ripp ripr rips ript rire riri rirs risc risd rise risi risp riss rist risu rite riti rits ritt ritu riue rius rpcs rpdp rpet rpii rpps rptd rpts rred rrrr rrsp rscc rscs rsdd rsds rsee rsid rsis rsps rsre rstp rsts rstu rtcc rtce rtdt rtee rtei rtes rtps rtss rttp rtts ruce ruci ruct rudd rude rudi rudp ruds rued ruer rues ruet ruid ruis ruit rupe rupp rupt rurc rurd rure ruri rurp rurs ruru ruse rusi russ rust rusu rute ruti ruts rutt rutu ruud s-ic s-ii sccc scce sccp sccs scct scdc scdp scds scec scee scep scer scet sci- scic scid scie scip scir scis scit scpe scpi scps scpt scr- scrc scre scri scrs scsc scsd scsi scsr scst scsu sctc sctd sctr scts scud scup scur scut sdcc sddc sdds sdep sder sdes sdet sdic sdpr sdps sdrc sdrs sdsc sdss sdsu se-c se-d se-e se-i se-s se-t se-u sec- secc secd sece secr secs sect secu sede seds seec seed seep seer sees seet seeu seid seie seii seip seir seis seit seiu sepd sepe sepi sepp sepr seps sept sepu serc serd sere seri serp serr sers sert seru sesc sese sesi sess sest set- setc sete seti sets sett seui seur sicc sice sici sicp sics sicu sidd side sidi sidr sids siec sied sier sies siit sipc sipe sipi sipp sips sipt sirc sire siri sirp sirr sirs sirt siru sisc sisd sise sisi siss sist sisu sit- sitc sitd site siti sits sitt situ siue siui sius siut spcc spcs spdc spde spdp spdr spdt spec sped spee sper spes spet spic spie spip spir spis spit sppd spps sprd spri sprs spsd spse spsp spss spst sptc sptr spts spud spue spui spur spus sput srcc srct srde srec sres sris srpc srps srpt srsd srsp srtp srtr sscc ssce ssci sscp sscs ssdc ssdd ssdp ssec ssee ssep sses sset ssid ssis ssit sspc sspe ssps sspt ssrc ssri ssrs sssc sssi ssss sstc sstd sstp ssts stcc stcp stcs stcu stds stec sted stee step ster stes stet stic stid stie stip stir stis stit stpd stpp stps strc strd stre stri strs stru stsi stss sttc sttd sttr stuc stud stue stup stur stus stut suc- succ suci sucr sucs sudd sude sudi suds sued suee suer sues suet sueu suid suie suir suis suit sup- supe supp supr sups supt sur- surc surd sure suri surp surr surs surt suru sus- susd suse susi susp suss sust susu sute suti sutu suus tccc tccu tcdd tcep tctc tcts tdes tdis tdri tdse tdss tecr tecs tect tedd tede tedi teds teec teed teer tees teet teic teie teip teir teis teiu tepe tepi tepp tepu ter- terc tere teri terp terr ters teru tesc tesd tese tesp tess test tete teti tetr tets tett tetu teut ticc tice tics tidc tidd tide tids tie- tied tiee tiei tiep tier ties tiet tiit tiiu tip- tipc tipe tipi tipp tips tipt tipu tird tire tiri tirr tirs tiru tise tisi tiss tist titc tite titi titp tits titt titu tpcd tpcp tpcs tpdu tped tper tpir tppd tppp tppr tprs tpsc tpte tptp tptr tput trcc tre- trec tred tree trei tres tret treu tri- tric trie trip tris trit trpc trpe trpp trps trsd trsi trst trtc trte trtr truc trud true trus trut truu tscc tscp tsec tses tset tsid tsis tsps tspt tsse tssi tssr tsst tstc tsts tsui tsup ttcp tter ttss tttt tucc tude tudi tudu tuei tuer tues tuet tuis tuit tuiu tupe tupi tups tupu turc turd ture turi turp turr turs turt turu tusc tusd tusi tuss tust tute tuti tuts tutt tutu u-ie u-rp ucci uccp ucdc ucdd uces ucrc ucsc ucsd ucst ucsu ucut uddi udds uder udet udic udid udir udpd udsd udts ueir uepi uers uess uies uipi uirr uisd uise uist uits upci upcs uped upic upie upis uppc uppe uppp uppu upri upsc upse upsi upup urci urde urds urdu ure- ured ures uret uric urie uris uriu urre urri urse ursi urss ursu urte urts urup urur urus urut uscc usce uscs usdc usde usdp usds usdt used usee user uses uset usie usip usis uspc uspp usps ussc usse ussr usss usst ussu ustc uste usti ustp usts usui usus utec utep uter utes utid utis utpd utri utsc utti uttu uucp uuri uusi uuuu