-ous bbbb bbbs bbdd bbdo bblb bbls bboy bbyo bdii bdls bdos bdsd bduf bffl bffs bfsi bibb bibi bibl bibo bibs bidi bido bids bidu biff bifi biis bild bili bill bilo bils bilu bily bio- bioi biol bios biou bis- bisd bisl biso biss bisu bisy biys blio blis blls blob blod bloo blou bloy blss blub blud bluf blus bly- blys bobb bobi bobo bobs bobu boby bodb bodi bodo bods bodu body bofd boff bofs bofu boi- boid boii boil bois boiu bold boli boll bolo bols bolu boly boob bood boof bool boos bosi boso boss bosu boud bouf boul bous bouy boyd boyf boyi boyl boyo boys bsbd bsdl bsff bsfs bsod bsos bssd bubb bubi bubo bubs bubu budb budd budi budl budo buds budu budy buff bufo buid buif buis buiu bulb buld buli bull buls bulu buol buoy busi buss busu busy buus buyi buyl buyo buys buyu byil byld byob byod byoi byol byos bysb bysi bysl byso byss bysy byul byyd d-bo dbfo dbfs dbls dbos dboy dbss dbus dddd ddly ddss ddub dfds dibb dibo dibs diby didi dido dids didu didy dif- diff difs dify diii diis dilf dili dill dilo dils dily diol dios diou dis- disd disi diso diss disy dius diyi diyu dlbd dlib dlii dlil dlis dlos dobb dobi dobl dobs dobu doby dod- dodd dodi dodo dods dody doff doid doil dois dold dolf doli doll dolo dols dolu doly doob dood doof dool doos dosi doso doss dosy doub doud douf doul dous douy doyl doyo dsif dsls dsos dssi dub- dubb dubs dubu duby dudd dudo duds dudu duff dufu dufy duid duif duil duis duli dull dulo dulu duly duo- duos dusi dusy duul duyl dybu dydd dyf- dyfi dyio dyll dyo- dyoo dyou dys- dysi dyss fbis fbsd fbus fdos ffff ffii ffss fibs fidf fido fids fiff fifi fifo fiii fiil fild fili fill filo fils fios fisd fisi fiss fisu flid flii flis flob flod floo flos flou floy flub flud fluf fluo flus fluy flyi flys fobs fody fofo foid foil fois fold foli foll folo fols foly food foof fool foos fosb fosi foso foss foud foul fous foyl foys fsfi fsfo fssf fubb fubs fubu fudd fudi fuff fufu fuid fuil fuli full fuls fulu fusd fusi fuso fuss fusu fuyl fuyu fyfi fyld fyli i-by ibdo ibfi ibid ibis ibly ibos ibsf ibss ibus ibuy ibyi iddo idid idil idio idis idli idls idly idol idos idsf idso idss idub iduo idus idyl ifbb ifby iffy ifid ifil ifis ifsb ifso ifyo iiii iiio iiis iioi iioo iios iisd iisi iisu ilio ilis ill- illd illi illo ills illy iloo ilos ilud ilus iluy iobi ioby iod- iodd iodo ioii ioio iolo ioof iooi iooo ioos ioso iosu ious isbd isbl isdb isds isil isis isls isly iso- isof isol isos issf issi isso isss issu issy isus isyl isys iuds iuiu iusd iuss iyos lbds lbos ldif ldls ldos libo libs libu lidb lidl lido lids liff lifl lifo liii liis lilb lili lill lilo lils lilu lily lio- liod lios lisd lisi liso liss lisu lisy liuf lius liyl liyu llbs lldb llds llll llod lloo llud lob- lobb lobi lobo lobs loby lodi lods loff lofi loid loif lois loiu lold loli loll lolo lols loly loob lood loof lool loos losi loso loss losy loud loui loul lous louu loyd loys lsbu lsds lsid lsof lsso lubs luby ludd ludi ludo luff lufu luif luis luli lull lulu lusi luso luss luyi luys lydd lyff lyfy lyif lyly lyo- lys- lysi lysl lyso lyss lyyf obbo obby obid obis obls oblu oboi obol obos oboy obsd obss obus odbo oddd oddi odds oddy odio odis odiu odly odoo odos odou odso odus odyl off- offo offs offu offy ofid ofus oido oids oiii oils oily oios oisd oisu oiyl olbo olby oldb olds oldy olfs olib olid olio olis olli ollo olly olof olos olsi olyf oobi ooby oodi ooff oofs oofy ooid oold oolo oooo ooos oosi oous osby osdi osii osis osli oslo osoi osoo osos ossb ossd ossi osso ossu ossy osul oubs ouds ouff ouii ouis ould ouls oulu ousd ouu- oyls oyly oyou oyss s-ib s-ii s-os sbbs sbds sbsd sbsi sbus sdds sdib sdif sdio sdls sdsf sdsl sdss sdsu sfio sfls sfos sfss sfsu sibi sibo sibs sibu siby sidd sidi sido sids sidy siff sifl sifo sifu sify sil- sild silf sili sill silo sils silu siod siol sios siou sisd sisi siss sisu sisy siui sius siyi siyu sl-i slds slib slid slob slod sloo slos sloy slsu slub slud slys sobo sobs sobu sodd sodo sods sodu sody sofi sofo soif soil sois sold solf soli soll solo sols soly sood soof sool soos sooy sosi soso soss soud souf soul sous soyo soys ssby ssdd ssdf ssfl ssid ssis sssb sssf sssi ssss sub- subb subd subi subl subo subs sudd sudi sudo suds suf- suff sufi sufs sufu suid suio suis sul- suld sulf suli sull sulo sulu suos sus- susd susi suso suss susu susy suus suyi suyo suyu sybo sydi syds syff syfy syis syl- syli syll syls syso syss ubbi ubbo ubid ubii ubis ubli ublo ubls ubly ubod ubos ubud uddi udds udid udoo udos udsd udsl ufos uisd ulli ullo ully ulo- ulos ulul ulus ulys uofl uofo usbl usbs usdf usdl usdo usds usfi usfl usfs usif usis uslu usoi usos ussb ussf usss ussu ussy usui usul usus uulu uusi uuuu uydo ybbs ydil ydul yidi yids yidu yiff yild yili yill yiss yiud ylds ylid ylli ylls yobi yobo yobs yodo yods yoff yold yoli yoll yolo yoly yood yoof yool yosi yoso youb youd youf youi youl yous yoyo ysby ysii yssu ysyb yubu yudo yudu yuff yufu yuli yulo yuls yulu yuyu yyff yyyy