-ing ffff ffii ffrr ffss ffun fiff fifi figg figs fiii fing fini finn fins firn firs fisi fiss fisu fnrs fnuf frig frin fris frns frug frun fsfi fsgs fssf fuff fufu fugi fugs fugu fuig fuir funf fung funs fur- furg furi furn furr furs fusi fuss fusu ggfg gggg ggrn ggss giff gifs gifu gigg gigi gign gigs giis ging gini ginn gins ginu girg giri girn girr girs giru giss giur gius gnin gnrr gnus grif grig grin gris grni grrr grrs grss gruf grug grui grun grur grus gsif gsis gsur guff gugg gugi gugu guin guis gung gunn guns gurg guri gurn gurr gurs guru guss guus ifis ifni ifnr ifns ifrf ifri iggs igis igni igns ignu igri igus iiii iiis iirs iisi iisr iisu infi infs ings inig inis inni innr inns innu inri inrs inss insu inui inun inus irfu irgs iri- irig irin iris irri irrs irsf irsg irun irus isin isis isrg isri issf issi issr isss issu isus iugs iuiu iuss n-ii nfff nfrs nfsr nfsu ngfs ngns ngri ngsn ngur nguu niff nigg nigs niir niiu ning nini nins nirs niru nisi niss nisu niur nngn nnnn nnss nsfs nsin nsis nsnr nssf nssr nsss nuff nugs nuin nung nunn nuns nuri nurn nurr nurs nuru nusi nuss nusu rfgs riff rifs rifu rigg rigi rigs rigu riif riin riis rinf ring rinn riri rirs risi riss risu rius rngs rnin rrif rrrr rrun rsis rsnn rsnr ruff rugg rugi rugs ruif ruin ruis runf rung runi runn runs ruri rurs ruru rusi russ rusu ruun s-ii sfss sfsu sggg sggs sgss siff sifr sifu sigg sigi sign sigs sing sini sinn sins sinu sirf siri sirr sirs siru sisi siss sisu siui sius snfu snig snir snns snrs snug snur snus srfi sris srni srnn ssgs ssin ssis ssns ssrg ssri ssrs sssf sssi ssss suf- suff sufi sufr sufs sufu sug- sugg sugi suig suin suir suis sun- sung suni sunn suns sunu sur- surf surg suri surn surr surs suru sus- susi suss susu suus uggs ugis ugni ugri ugur uguu uirr ungu uni- unif unii unin unir unis unni unns unrf unrs uns- unsg unus urff urfi urgi urgu urif urin uris uriu urni urns urri ursi urss ursu urun urur urus usfi usfs usif usin usis usnr usnu ussf ussr usss ussu usui usun usus uuni uuri uusi uuuu