oubs ouii ouir ouis ouit ouls oulu our- ouro ours ourt oust out- outb outi outo outs ouu- rbbb rbbr rbbs rbis rbsl rbss rbst rib- ribo ribs ribu riis rill rilo rilu riol rios riot riou riri rirs risi riso riss rist risu riti ritl rito rits ritt ritu rius rlls rob- robb robi robo robs robt robu roil roio roir rois roit roiu roll rolo rolt roob rooi rool roor roos root rori roro rort roru rosi roso ross rost roti rotl roto rotr rots rott roub roul rous rout rrrr rsbi rsis rsos rssl rsts rstu rtls rtlt rtss rtts rubb rubi rubs rubu ruis ruit rull rulo ruri ruro rurs ruru rusi ruso russ rust rusu ruti rutl ruto ruts rutt rutu s-ib s-ii s-os sbbs sbor sbot sbsi sbst sbus sibi sibo sibs sibu siit sil- sili sill silo sils silt silu siol sior sios siot siou siri siro sirr sirs sirt siru sisi siss sist sisu sit- siti sito sits sitt situ siui sius siut sl-i slib slir slit slob sloo slos slot slrs slst slsu slts slub slur slut sobo sobr sobs sobt sobu soil soir sois soit soli soll solo solr sols solt sool soor soos soot sorb sori soro sorr sors sort soru sosi soso soss sost sotl soto sots sotu soul sour sous sout srib sris sros srtr srub ssbr ssis ssit sslt ssot ssri ssrl ssrs sssb sssi ssss sstb sstl ssts stbs stib stil stio stir stis stit stlo stlt stob stol stoo stor stos stot stou stri stro strs stru stsi stss sttr stub stul stur stus stut sub- subb subi subl subo subs suio suir suis suit sul- suli sull sulo sult sulu suor suos sur- suri suro surr surs surt suru sus- susi suso suss sust susu suti suto sutu suus tbbs tbil tbit tbrb tbst tibi tibs tibu tiit tiiu till tilo tilr tils tilt tios tiou tirb tiri tirl tiro tirr tirs tiru tisb tisi tiso tiss tist titi tito tits titt titu tlli tlos tlrs tobi tobo tobs tobt tobu toil tois toit tol- toli toll tolo tolt tolu tool toor toos toot tori toro torr tors tort toru tosb tosi toso toss tost tosu toti toto totr tots tott toui toul tour tous tout tri- trib tril trio tris trit troi troo tros trot trou trsi trst trtr trub trus trut truu tsis tsob tsoi tsol tsos tsou tssi tssr tsst tsts tsui ttbb ttss tttt ttul tubb tubo tubr tubs tubu tuil tuis tuit tuiu tuli tull tulo tulu tuor tuos turb turi turo turr turs turt turu tusi tuss tust tuti tutl tuto tuts tutt tutu tuuo ubbi ubbo ubii ubir ubis ubit ubli ublo ubls ubos uirr uist uits ulli ullo ullr ulo- ulos ulti ulto ults ultt ulul ulus uor- urbi urbs urib uris uriu urls uro- urol uroo urri ursi urso urss ursu urts urur urus urut usbl usbr usbs usis uslu usoi usos ussb ussr usss usst ussu ustb usti usto usts usui usul usus util utis utor utri utsl utti utto uttu uulu uuri uusi uuuu

-itis bbuss bi-lo bibbo bibbs bibio bibis bibos bibri bibus bilbi bilbo bili- bilis billi billo bills billu bilos bilsi bilut bioss bioul birls birol biros birou birrs birst birts birur bisou bisto bitis bitit bitru bitti bitto bitts blirt bliss blist blits blitt blobs blois bloor blorb blort bloso bloss bloto blots blott blout blubs blurb blurr blurs blurt bluto bo-bo bobbi bobos bobr bobri bobst bobts boilo boils boios boiro boist boito bolis boll- bolli bollo bolls bollu bolos bolti bolto bolts bolus boobs booit bools boors boort booru boost boots borbo borio boris boro- boroo boros borot borou borro borsi borst borsu borts borul borus borut bosio bosor bossi bosso bosut botis botos botou botro botti botts bottu botus boul- bouli boulo bouls boult bouri bours boust bouto bouts brill briot briou brisb brisi briss brist brito brits britt brobo brobs broil broll brolo brool broos bross broto brous brout brrrr bruis bruit bruiu brull bruri bruss brust bsous btr-t btstu built buist bulb- bulbi bulbs bulis buliu bull- bulli bulls bulou bulti bulto bulul bulus bulut buolt burbs burio burli burls burol buroo buros burri burro burrs burru burst burts burtt burus burut busir busot busso bussu busti busto busts busur busut busuu butis butit buto- butor butot butou butts butuo butut i-bot ibbur ibibo ibill iblis ibros iiiii iiris iisir iitti ilio- ilios ilisu illit illos illui illus ilobu ilori ilost ilots ilsbo ilsol iltis iltur ilulu iobit ioooi ioooo iorio iotit iotti irbis irbit irill irios iris- iriss irisu irobo irori irour irous irrit irssi is-is isbul isbut isili isill isilo isios isiro isisi isiti isits isitt islot isoli isolo isolt isour isout isrib issor issou issru issus issuu istlt istoo istus isuli isuto isuus itbit itisi itiso itobi itols itoss itour itout itsit itsso itsto itsus ittoo ittti itu-r itu-t ituri ituro ituru itutu iuliu iulus l-sit libis liboi libor libos libri libro libru libus liisi lilis liliu lilli lillo lilos lilou lilts lilus liour liril lirio lirot lirui lisio lisis liss- lisso lissu listo lists litir litis litos litsi littb litti litui liubo liuli llrrs lobbo lobi- lobio lobir lobo- lobor lobos lobus loibl loilo loirs loiss lolis lolli lollo lolls lolol lolos lolti loobu lools loosi loosu loots lorio loris loros lorri lorut lostl losts lotio lotis lotor lotos lotrs lotru lotso lotti lotto lotts lotus louis louit louri louro lours louss loust louts lubos lubur luiro lulli lulls lulul lulus lurio lusis luso- lusso lusti lusts lusus lutol lutsi lutsu lutto lutui luuri o-r-b obits oblio oblis oblos oboli obolo obols oboro obosi obout obsil obtus oilit oirot oitti olios olius ollio ollur olost olots olotu olour olous oltos oobit ooioo ooooo ootus orbis orbit orbot orbus oribi orill oriol orist orito orits orius orlos orobo orolu orosi oroso orost orosu orout orris orsis orsit ortoo oruro orust