isdb isdc isds isic isis isit isri issc issi issr isss issu istc istd isti istr ists isus itbs itcs itic itis itri itrs itsi itsu itur iucc iuds iuiu iusd iuss iust rbbb rbbr rbbs rbds rbis rbsd rbss rbst rcbc rccb rccc rccs rcdc rcds rcic rcid rcis rcrd rcsc rcsd rcsi rcss rctc rcti rcts rib- ribs ribu ricc rics rict ridc ridd ridi rids riis riri rirs risc risd risi riss rist risu riti rits ritt ritu rius rrrr rsbi rscc rscs rsdd rsds rsid rsis rsts rstu rtcc rtdt rtss rtts rubb rubi rubs rubu ruci ruct rudd rudi ruds ruid ruis ruit rurc rurd ruri rurs ruru rusi russ rust rusu ruti ruts rutt rutu ruud s-ib s-ic s-ii sbbs sbcc sbcs sbct sbds sbic sbsd sbsi sbst sbtc sbus scbi sccc sccs scct scdc scds sci- scic scid scir scis scit scr- scrc scri scrs scsc scsd scsi scsr scst scsu sctc sctd sctr scts scub scud scur scut sdcc sddc sdds sdib sdic sdrc sdrs sdsc sdss sdsu sibc sibi sibs sibu sicc sici sics sicu sidd sidi sidr sids siit sirc siri sirr sirs sirt siru sisc sisd sisi siss sist sisu sit- sitc sitd siti sits sitt situ siui sius siut srbc srcc srct srib sris srsd srtr srub ssbr sscc ssci sscs ssdc ssdd ssid ssis ssit ssrc ssri ssrs sssb sssc sssi ssss sstb sstc sstd ssts stbc stbd stbs stcc stcs stcu stds stib stic stid stir stis stit strc strd stri strs stru stsi stss sttc sttd sttr stub stuc stud stur stus stut sub- subb subd subi subs suc- succ suci sucr sucs sudd sudi suds suid suir suis suit sur- surc surd suri surr surs surt suru sus- susd susi suss sust susu suti sutu suus tbbs tbcb tbcc tbcd tbit tbrb tbst tcbs tccc tccu tcdd tctc tcts tddb tdis tdri tdss tibi tibs tibu ticc tics tidc tidd tids tiit tiiu tirb tird tiri tirr tirs tiru tisb tisi tiss tist titc titi tits titt titu trcc tri- trib tric tris trit trsd trsi trst trtc trtr trub truc trud trus trut truu tsbc tsbd tscc tsdb tsid tsis tssi tssr tsst tstc tsts tsui ttbb ttss tttt tubb tubr tubs tubu tucc tudi tudu tuis tuit tuiu turb turc turd turi turr turs turt turu tusc tusd tusi tuss tust tuti tuts tutt tutu ubbi ubic ubid ubii ubir ubis ubit ubud ucbc ucci ucdc ucdd ucrc ucsb ucsc ucsd ucst ucsu ucut udbc uddi udds udic udid udir udsd udts uirr uisd uist uits urbi urbs urci urds urdu urib uric uris uriu urri ursi urss ursu urts urur urus urut usbc usbr usbs uscc uscs usdc usds usdt usis ussb ussc ussr usss usst ussu ustb ustc usti usts usui usus utid utis utri utsc utti uttu uuri uusi uuuu

-itis bbsrc bbuss bcbst bcisd bdubs bibbs bibic bibis bibri bibus bicsi biddu bidri bidur birds birdu birrs birst birts birur bitis bitit bitru bitti bitts brics bridi brids brisb brisi briss brist brits britt brrrr brud- bruds bruis bruit bruiu bruri bruss brust bssid btr-d btr-t btstu bucci bucic bucsu bucur budds buddu budur buici buird buist burbs burcu burdi burds buric burri burrs burru burst burts burtt buruc burud burus burut busic busir bussu busti busts busur busut busuu butid butis butit butts butut c-bus cbirs cbrsd cbtis ccccc cccii cccsd cciii ccisd ccitt ccsid cdiii cdisc cdist cibir cicis cicus ciids circs ciric ciris cirr- cirri cirs- cisid cists cisus citr- ciuti cribb cribs crics criss crist crits crius cruds cruis crust cruts csdic cssii cstcc ctdrs cubi- cubic cubit cubub cucui cuirs curbi curbs curdi curds curic curri currs cursi curst curti curts cusid cusis custi cutcu cuti- cutis cutit cutts d-bus d-cru dbtss dccic ddc-i ddddd dibri dicit dicts dictu dicus diddu didit didst didus dirts disc- disci discs disct disir diss- dist- disti distr disur ditib dittd ditti dribs dridu driss drubs druid druri drust dubbi dubbs dubi dubti dubuc dubus ducic ducis ducts duduc duist duits durci duris durst durtu dusic dussi dusti dusts dutsi i-bid ibbur ibdis ibids icbrr iccsd icdsc icici icist icius icscc icsid ictic ictis ictus idist idris idrus iiiii iiris iisir iitti irbid irbis irbit ircii irid- irids iris- iriss irisu irrit irssi is-is isbut iscsi isisi isiti isits isitt isrib issdc issid issru isssc issus issuu istic istud istus isuus itbit itdid itics itisi itsit itsus ittti itu-d itu-r itu-t ituri ituru itutu rcirc rdtsc ribbi ricci ridic riisu risti risus risut ritsu ritts ritus rsust rubbi rubid rubis rubus rucci rudds rudic rudus ruiru ruric russi rusts rustu rutic ruutu s-bus s-cis s-iii sccbc sccci scdsb scidb sciri scrib scrid scris scrit scrtd scrub scrud scrus sctrs scudi scuds scurr scurt scusi scut- scuts scutt sibir sibiu sibsu sibur sibut sicus sicut siddi sidis sidri sidus siirt sirci siris siriu sirsi sirud sirur sisic sisid sisis sissi sissu sists sitit sitsi sitti situs siudi siuri siuru siusi siutu srdic sruti ssdrs sssrb sssss stib- stibb stiir stirs stirt stitt strib stric strid strit strrs strub struc strui strut stsci sttic stu-i stubs studd studs stuid stuir sturb sturt stuss stutd subbu subic subis subss subst subud succi suciu sucr- sucst sudds sudis sudur suibu suici suids suist suits surds surdu suric surir suris surti surtr surud surui surur surus susic susus sutci sutri suttu suudu tbird tbtbt tbutt ti-ti tibbi tibbs tibbu tibur ticci ticts tidst tidus tiris tirit tirrs tirru tirur tisci tisic tisis tisri tiss- tissi tissu tisur titcr titii titis titti titus tri-d tribs tribu trics tris- triss trist trit- trits tritt trubs trubu trudi truis truit truss trust truus tsdsi tsrcs tsuru tsuur ttttt ttusb tubbs tubi- tubri tucci tuctu tudur tuits turbi turbt turds turic turid turit turri tursi turss turst tursu turtu turut tussi tutsi tutti tutus tuubi tuudi tuuri tuuru u-bit u-dub ubirr ubisi ubris uibis uitti urbic