prut pruu psci pscu psec psei psip psis psnc psni psnr pspi pspp pspr psps psrp pssc psse psst psts pstu ptcc pten pter pttc ptui pu-e puce puer puet pueu puin puir puis puit puiu punc pune puns punt punu pupe pupi pups pupu pur- pure puri purp purr purs puru pusi puss pust put- pute puti puts putt putu puuc qcue qeep qeii qene qere qeri qerq qest qins qiru qisi qnet qpct qqqq qren qrss qrst qsit qsqs qsqt qsrs qtip qtrs qttn qucu quee quen quep quer ques quet quic quie quin quip quir quis quit quni qunu quri qust qute quu- rccc rccs rcep rcet rcic rcis rcnr rcpi rcps rcpt rcsc rcsi rcss rctc rcti rcts recc rece reci recp recr recs rect recu reen reep rees reet reii rein reir reis reit reiu rene reni renn rens rent renu repe repi repp repr reps rept repu reqs rere reri rers rert reru rese resi resn resp resq ress rest rete reti retr rets rett reue reup reus reut reuu ricc rice rics rict rien riep rier ries riet rieu riin riis rine rinn ripe ripi ripp ripr rips ript riqq rire riri rirs risc rise risi risp riss rist risu rite riti rits ritt ritu riue rius rncp rncs rnie rnin rnnt rnsp rntp rnut rpcs rpet rpii rppn rpps rptn rpts rrrr rrsp rrun rscc rscn rscs rsee rsis rsnn rsnr rsps rsre rstp rsts rstu rtcc rtce rtee rtei rtes rtns rtps rtss rttp rtts ruce ruci ruct ruen ruer rues ruet ruin ruis ruit runc rune runi runn runs runt rupe rupp rupt rurc rure ruri rurp rurs ruru ruse rusi russ rust rusu rute ruti ruts rutt rutu ruun s-ic s-ii sccc scce sccp sccs scct scec scee scep scer scet sci- scic scie scin scip scir scis scit scnr scnt scpe scpi scps scpt scr- scrc scre scri scrn scrs scsc scsi scsn scsr scst scsu sctc sctn sctr scts scun scup scur scut se-c se-e se-i se-n se-s se-t se-u sec- secc sece secn secr secs sect secu seec seen seep seeq seer sees seet seeu seie seii sein seip seir seis seit seiu sene seni senn senr sens sent sepe sepi sepn sepp sepr seps sept sepu seqq seqs sequ serc sere seri sern serp serq serr sers sert seru sesc sese sesi sess sest set- setc sete seti sets sett seui seur sicc sice sici sicp sics sicu siec sien sier sies siit sine sini sinn sinp sins sint sinu sipc sipe sipi sipp sips sipt sirc sire siri sirp sirr sirs sirt siru sisc sise sisi siss sist sisu sit- sitc site siti sitn sits sitt situ siue siui sius siut sncc sncp snee snep sner snes snet snie snip snir snit snns snpp snrs snte sntr snur snus spcc spcs spec spee spen sper spes spet spic spie spin spip spir spis spit spne spns spps spqr spri sprs spse spsp spss spst sptc sptr spts spue spui spun spur spus sput sqep sqin sqrt srcc srct srec sres sris srni srnn srpc srps srpt srsp srtp srtr sscc ssce ssci sscp sscs ssec ssee ssep sses sset ssin ssis ssit ssns sspc sspe ssps sspt ssrc ssri ssrs sssc sssi ssss sstc sstp ssts stcc stcp stcs stcu stec stee sten step ster stes stet stic stie stip stir stis stit stnn stnr stns stpp stps strc stre stri strn strs stru stsi stss sttc sttr stuc stue stun stup stur stus stut suc- succ suci sucr sucs suee suen suer sues suet sueu suie suin suir suis suit sun- sune suni sunn suns sunt sunu sup- supe supp supr sups supt suqs sur- surc sure suri surn surp surr surs surt suru sus- suse susi susp suss sust susu sute suti sutu suus tccc tccu tcep tcnn tctc tcts tecr tecs tect teec teen teer tees teet teic teie tein teip teir teis teiu tenc tene teni tenn tenp tens tent tenu tepe tepi tepp tepu ter- terc tere teri tern terp terr ters teru tesc tese tesp tess test tete teti tetr tets tett tetu teut ticc tice tics tie- tiee tiei tien tiep tier ties tiet tiit tiiu tinc tine tini tinn tins tint tinu tip- tipc tipe tipi tipp tips tipt tipu tire tiri tirr tirs tiru tise tisi tiss tist titc tite titi titp tits titt titu tncc tnes tnsp tnts tnut tpcp tpcs tper tpir tppp tppr tprs tpsc tpte tptp tptr tput trcc tre- trec tree trei tren tres tret treu tri- tric trie trin trip tris trit trpc trpe trpn trpp trps trsi trst trtc trte trtr truc true trun trus trut truu tscc tscp tsec tsen tses tset tsin tsis tspn tsps tspt tsse tssi tssr tsst tstc tsts tsui tsun tsup ttcn ttcp tten tter ttss tttt tucc tuei tuen tuer tues tuet tuin tuis tuit tuiu tunc tune tuni tunn tuns tunu tupe tupi tups tupu turc ture turi turn turp turr turs turt turu tusc tusi tuss tust tute tuti tuts tutt tutu u-ie u-rp ucci uccp uces ucin ucrc ucsc ucst ucsu ucut uein ueir uepi uers uesn uess uies uint uipi uirr uise uist uits uncc unce unci uncp uncs unct unec unee unen uner unes uni- unic unie unii unin uniq unir unis unit unne unni unns unpc unps unrs uns- unsc unst unte unts unus unut upci upcs upen upic upie upin upis upne upnp uppc uppe uppp uppu upri upsc upse upsi upup uqcc urci ure- ures uret uric urie urin uris uriu urne urni urns urre urri urse ursi urss ursu urte urts urun urup uruq urur urus urut uscc usce uscs usee usen user uses uset usie usin usip usis usnc usnr usnu uspc uspp usps ussc usse ussr usss usst ussu ustc uste usti ustp usts usui usun usus utec utep uter utes utin utis utne utri utsc utti uttu utuq uucp