-ing bbbb bbbs bbfn bbin bbng bffs bfgf bfsi bggs bgun bibb bibi bibs biff bifi bigb bigg bign bigs bigu biin biis bin- bing bini binn bins binu bis- biss bisu bixi bnib bnin bnss bsff bsfs bsgs bsin bsix bsns bubb bubi bubs bubu buff bugg bugi bugs buif buin buis buiu buix bunb bung buni bunn buns bunu busi buss busu busx buus fbis fbus ffff ffii ffss ffun fibs fiff fifi figg figs fiii fing fini finn fins fisi fiss fisu fixx fnuf fsfi fsgs fsix fssf fubb fubs fubu fuff fufu fugi fugs fugu fuig funf fung funs funx fusi fuss fusu fuxi gbbs ggfg gggg ggss gibb gibs giff gifs gifu gigg gigi gign gigs giis ging gini ginn gins ginu giss gius gnib gnin gnus gsif gsis gsix gubb gubi gubs gubu guff gugb gugg gugi gugu guib guin guis gung gunn guns gusb guss guus ibfi ibis ibns ibsf ibsn ibss ibus ifbb ifis ifni ifns ifsb iggs igis igni igns ignu igus iiii iiis iisi iisu infi infs ings inig inis inni inns innu inss insu inui inun inus inxs isbn isbx isin isis issf issi isss issu isus iugs iuiu iuss ixxi n-ii nbuf nfff nfib nfix nfsu ngfs ngns ngsn nguu nibi nibs niff nigg nigs niiu ning nini nins nisi niss nisu nixi nngn nnnn nnss nsfs nsin nsis nssb nssf nsss nsub nubi nubs nuff nufx nugs nuin nuix nung nunn nuns nusi nuss nusu s-ib s-ii sbbs sbig sbsi sbus sfnb sfss sfsu sggg sggs sgss sibi sibs sibu siff sifu sigg sigi sign sigs sing sini sinn sins sinu sisi siss sisu siui sius sixx snfu snib snig snns snub snug snus ssbn ssgs ssin ssis ssns sssb sssf sssi ssss sub- subb subg subi subs suf- suff sufi sufs sufu sug- sugg sugi suig suin suis sun- sunb sung suni sunn suns sunu sus- susi suss susu suus sux- ubbi ubii ubis ufxs uggs ugis ugni uguu ungu uni- unif unii unin unis unix unni unns uns- unsg unus usbs usfi usfs usif usin usis usix usnu ussb ussf usss ussu usui usun usus uuni uusi uuuu uxus x-fi xbin xfig xfin xggi xibu xiii xing xinu xisi xixi xsgi xsin xsun xuxu xxii xxix xxxi xxxx