bbbb bbbs bbfn bbin bblb bbls bffl bffs bfsi bibb bibi bibl bibs biff bifi biin biis bili bill bils bilu bily bin- bini binn bins binu biny bis- bisl biss bisu bisy biys blin blis blls blni blss blub bluf blus bly- blyn blys bnib bnin bnss bsff bsfs bsin bsns bubb bubi bubs bubu buff buif buin buis buiu bulb buli bull buls bulu bunb buni bunn buns bunu busi buss busu busy buus buyi buyl buys buyu byil bysb bysi bysl byss bysy byul byun fbis fbus ffff ffii ffss ffun fibs fiff fifi fiii fiil fili fill filn fils fini finn fins fisi fiss fisu flii flin flis flnb flub fluf flus fluy flyi flys fnuf fsfi fsln fssf fubb fubs fubu fuff fufu fuil fuli full fuls fulu funf funs fusi fuss fusu fuyl fuyu fyfi fyli fynn i-by ibfi ibis ibly ibns ibsf ibsn ibss ibus ibuy ibyi ifbb ifby iffy ifil ifis ifni ifns ifsb iiii iiis iisi iisu ilin ilis ill- illi ills illy ilni ilus iluy inby infi infl infs infy inis inly inni inns innu inny inss insu inui inul inun inus isbl isbn isil isin isis isls isly issf issi isss issu issy isus isyl isys iuiu iuss libs libu liff lifl liii liin liis lilb lili lill lils lilu lily linn lins liny lisi liss lisu lisy liuf liun lius liyl liyu llbs llll llyn lnfs lsbu lubs luby luff lufu luif luin luis luli lull lulu luni lunn luns luny lusi luss luyi luys lyff lyfy lyif lyin lyly lynn lyns lys- lysi lysl lyss lyun lyyf lyyn n-ii nbfl nbuf nfff nfib nfsu nfyb nibi nibs niff niiu nili nill nils nilu nini ninl nins nisi nisl niss nisu niyi nlls nnls nnnn nnsl nnss nsfs nsin nsis nsls nssb nssf nsss nsub nubi nubl nubs nuby nuff nuin nuli null nunn nuns nuny nusi nusl nuss nusu nusy nuys nyll nyls nyny nysf nyss nyul s-ib s-ii sbbs sbsi sbus sfls sfnb sfss sfsu sibi sibs sibu siby siff sifl sifu sify sil- silf sili sill sils silu sini sinn sins sinu siny sisi siss sisu sisy siui sius siyi siyu sl-i slib slln slsu slub slys snfu snib snlf snns snsy snub snus snys ssbn ssby ssfl ssin ssis ssns sssb sssf sssi ssss sub- subb subi subl subs suf- suff sufi sufs sufu suin suis sul- sulf suli sull sulu sun- sunb suni sunn suns sunu suny sus- susi suss susu susy suus suyi suyn suyu syff syfy syis syl- syli syll syls syn- syns synu syny syss syun ubbi ubii ubis ubli ubls ubly ulli ully ulul ulus ulys uni- unif unii unin unis unlf unni unns uns- unus usbl usbs usfi usfl usfs usif usin usis uslu usnu ussb ussf usss ussu ussy usui usul usun usus uulu uuni uusi uuuu uuyn uyin ybbs ybnl yiff yili yill yins yiss ylli ylls ysby ysii yssu ysyb yubu yuff yufu yuin yuli yuls yulu yuns yuny yuyu yyff yyyy