-ing ffff ffii ffss ffun fiff fifi figg figs fiii fing fini finn fins fisi fiss fisu fixx fnuf fsfi fsgs fsix fssf fuff fufu fugi fugs fugu fuig funf fung funs funx fusi fuss fusu fuxi ggfg gggg ggss giff gifs gifu gigg gigi gign gigs giis ging gini ginn gins ginu giss gius gnin gnus gsif gsis gsix guff gugg gugi gugu guin guis gung gunn guns guss guus ifis ifni ifns iggs igis igni igns ignu igus iiii iiis iisi iisu infi infs ings inig inis inni inns innu inss insu inui inun inus inxs isin isis issf issi isss issu isus iugs iuiu iuss ixxi n-ii nfff nfix nfsu ngfs ngns ngsn nguu niff nigg nigs niiu ning nini nins nisi niss nisu nixi nngn nnnn nnss nsfs nsin nsis nssf nsss nuff nufx nugs nuin nuix nung nunn nuns nusi nuss nusu s-ii sfss sfsu sggg sggs sgss siff sifu sigg sigi sign sigs sing sini sinn sins sinu sisi siss sisu siui sius sixx snfu snig snns snug snus ssgs ssin ssis ssns sssf sssi ssss suf- suff sufi sufs sufu sug- sugg sugi suig suin suis sun- sung suni sunn suns sunu sus- susi suss susu suus sux- ufxs uggs ugis ugni uguu ungu uni- unif unii unin unis unix unni unns uns- unsg unus usfi usfs usif usin usis usix usnu ussf usss ussu usui usun usus uuni uusi uuuu uxus x-fi xfig xfin xggi xiii xing xinu xisi xixi xsgi xsin xsun xuxu xxii xxix xxxi xxxx