pppp ppps pprc ppru ppss ppts pptt ppur prbc prbs prcc prcp prcs pri- prii pris prps prri prrs prsc prsi prss prtc prti prtp prtr prus prut pruu psbr psbt psci pscu psip psis pspi pspp pspr psps psrp pssc psst psts pstu ptcc pttc ptui pubs pubu puir puis puit puiu pupi pups pupu pur- purb puri purp purr purs puru pusi puss pust put- puti puts putt putu puuc rbbb rbbr rbbs rbis rbsp rbss rbst rcbc rccb rccc rccs rcic rcis rcpi rcps rcpt rcsc rcsi rcss rctc rcti rcts rib- ribs ribu ricc rics rict riis ripi ripp ripr rips ript riri rirs risc risi risp riss rist risu riti rits ritt ritu rius rpcs rpii rpps rpts rrrr rrsp rsbi rscc rscs rsis rspb rsps rstp rsts rstu rtcc rtps rtss rttp rtts rubb rubi rubp rubs rubu ruci ruct ruis ruit rupp rupt rurc ruri rurp rurs ruru rusi russ rust rusu ruti ruts rutt rutu s-ib s-ic s-ii sbbs sbcc sbcs sbct sbic sbsi sbsp sbst sbtc sbus scbi sccc sccp sccs scct sci- scic scip scir scis scit scpb scpi scps scpt scr- scrc scri scrs scsc scsi scsr scst scsu sctc sctr scts scub scup scur scut sibc sibi sibs sibu sicc sici sicp sics sicu siit sipc sipi sipp sips sipt sirc siri sirp sirr sirs sirt siru sisc sisi siss sist sisu sit- sitc siti sits sitt situ siui sius siut spcc spcs spib spic spip spir spis spit spps spri sprs spsp spss spst sptb sptc sptr spts spui spur spus sput srbc srcc srct srib sris srpc srps srpt srsp srtp srtr srub ssbr sscc ssci sscp sscs ssis ssit sspc ssps sspt ssrc ssri ssrs sssb sssc sssi ssss sstb sstc sstp ssts stbc stbs stcc stcp stcs stcu stib stic stip stir stis stit stpp stps strc stri strs stru stsi stss sttc sttr stub stuc stup stur stus stut sub- subb subi subs suc- succ suci sucr sucs suir suis suit sup- supp supr sups supt sur- surc suri surp surr surs surt suru sus- susi susp suss sust susu suti sutu suus tbbs tbcb tbcc tbit tbrb tbsp tbst tbtp tcbs tccc tccu tctc tcts tibi tibs tibu ticc tics tiit tiiu tip- tipc tipi tipp tips tipt tipu tirb tiri tirr tirs tiru tisb tisi tiss tist titc titi titp tits titt titu tpcp tpcs tpir tppp tppr tprs tpsc tptp tptr tput trcc tri- trib tric trip tris trit trpc trpp trps trsi trst trtc trtr trub truc trus trut truu tsbc tscc tscp tsis tsps tspt tssi tssr tsst tstc tsts tsui tsup ttbb ttcp ttss tttt tubb tubr tubs tubu tucc tuis tuit tuiu tupi tups tupu turb turc turi turp turr turs turt turu tusc tusi tuss tust tuti tuts tutt tutu u-rp ubbi ubic ubii ubir ubis ubit ubpc ucbc ucci uccp ucpb ucrc ucsb ucsc ucst ucsu ucut uipi uirr uist uits upci upcs upic upis uppc uppp uppu upri upsc upsi upup urbi urbs urci urib uric uris uriu urri ursi urss ursu urts urup urur urus urut usbc usbr usbs uscc uscs usip usis uspc uspp usps ussb ussc ussr usss usst ussu ustb ustc usti ustp usts usui usus utis utri utsc utti uttu uucp uuri uusi uuuu

-itis bbsrc bbuss bcbst bccip bccup bcups bibbs bibic bibis bibri bibus bicsi bipib birrs birst birts birur bitis bitit bitru bitti bitts bitup bpips brics brisb brisi briss brist brits britt brrrr bruis bruit bruiu bruri bruss brust btr-t btstu bucci bucic bucsu bucur buici buist burbs burcu buric burps burri burrs burru burst burts burtt buruc burus burut busic busir bussu busti busts busur busut busuu butis butit butts butut c-bus c-p-c cbirs cbtis ccccc cccii cciii ccitt ccups cibir cicis cicus cippi cipus cirbp circs ciric ciris cirr- cirri cirs- cispp cispr cists cisus citr- ciuti cpctc cpi-u cribb cribs crics crips cript crisp criss crist crits crius cruis crust cruts csprs cssii cssip cstcc ctrip cubi- cubic cubit cubub cucui cuirs cupic cupr- curbi curbs curic curri currs cursi curst curti curts curup cusip cusis cusps custi cutcu cuti- cutis cutit cutts cutup ibbur icbrr icici icist icius icscc icsup ictic ictis ictus iiiii iiris iisir iitti ipiti ipsi- ipsus ipubi irbis irbit ircii iris- iriss irisu irrit irssi irupi is-is isbut iscsi isisi isiti isits isitt ispup isrib issru isssc issus issuu istic istup istus isuus itbit itics itisi itpcs itrip itsit itsup itsus ittti itu-r itu-t ituri ituru itutu iupps iuput pbist pccts pctct picr- picti picts picui picus piiri piisi piisu pipis pipit pippi pipri piric pirri pirui pirus pisci piscu pissi pisti pitip pitis pitri pitrs pitru pitti pitts piuri piuru piusi priis priit priss prist priti pritt prius pruss pssst pssts ptcrb ptprb ptprc ptprr ptprs ptprt ptpru pubic pubis pucci puits pupri puris purrs purus pusic putis putit putt- putti putts puttu putup puuri puurs rcirc rcpsc rcpts ribbi ribup ricci riisu ripit ripup rirpu risps rissp risti risus risut ritsu ritts ritus rrsps rsust rubbi rubis rubup rubus rucci ruiru rupit rupsi ruric russi rusts rustu rutic ruutu s-bus s-cis s-iii sccbc sccci sciri scrib scrip scris scrit scrsp scrub scrus sctrs scupi scups scurr scurt scusi scut- scuts scutt sibir sibiu sibsu sibur sibut sicus sicut siirt sipic sipit sippi sipsi sipti siptu sirci siris siriu sirsi sirup sirur sisic sisis sissi sissu sists sitit sitsi sitti situp situs siuri siuru siusi siutu spics spir- spirr spirt spiss spiti spits sprit sprut spurr spurs spurt sputs srpci srprb sruti sssrb sssss stib- stibb stiir stips stirp stirs stirt stitt strbp strib stric strip strit strrs strub struc strui strut stsci sttic stu-i stubs stuir stupp stups sturb sturt stuss subbu subic subis subss subst succi suciu sucr- sucst suibu suici suist suits supps supsi supts supur suput suric surir suris surpu surti surtr surui surur surus susic susus sutci sutri suttu tbsps