-ing gggg ggrn ggss gigg gigi gign gigs giis ging gini ginn gins ginu girg giri girn girr girs girt giru giss gist gits giur gius gnin gnit gnrr gnti gnus grig grin gris grit grni grrr grrs grss grug grui grun grur grus grut gsis gstr gsur gugg gugi gugu guin guis gung gunn guns gunt gurg guri gurn gurr gurs gurt guru guss gust guti guts gutt gutu guus iggs igis igni igns ignu igri igus iiii iiis iiit iirs iisi iisr iist iisu iitr iitt ings inig inis init inni innr inns innu inri inrs inss inst insu intg inti intn intr ints intu inui inun inus irgs iri- irig irin iris irri irrs irsg irti irts irun irus isin isis isit isnt isrg isri issi issr isss issu isti istr ists isus itgs itin itis itri itrs itsi itsu itur iugs iuiu iuss iust n-ii ngns ngri ngsn ngtn ngts ngur nguu nigg nigs nigt niir niit niiu ning nini nins nirs nirt niru nisi niss nist nisu niti nitr nits niur nngn nnit nnnn nnss nntn nrts nsin nsis nsnr nssr nsss nsts nstu ntis ntnu ntru ntss ntsu nttr ntui nugs nuin nuit nung nunn nuns nunt nuri nurn nurr nurs nurt nuru nusi nuss nust nusu nuts nutt nutu rgit rgtr rgts rigg rigi rigs rigu riin riis ring rinn riri rirs risi riss rist risu riti rits ritt ritu rius rngs rnin rnnt rnut rrrr rrun rsis rsnn rsnr rsts rstu rtgs rtns rtss rtts rugg rugi rugs ruin ruis ruit rung runi runn runs runt ruri rurs ruru rusi russ rust rusu ruti ruts rutt rutu ruun s-ii sggg sggs sgss sgts sigg sigi sign sigs siit sing sini sinn sins sint sinu siri sirr sirs sirt siru sisi siss sist sisu sit- siti sitn sits sitt situ siui sius siut snig snir snit snns snrs sntr snug snur snus sris srni srnn srtr ssgs ssgt ssin ssis ssit ssns ssrg ssri ssrs sssi ssss ssts stgr stig stir stis stit stng stnn stnr stns stri strn strs stru stsi stss sttr stug stun stur stus stut sug- sugg sugi suig suin suir suis suit sun- sung suni sunn suns sunt sunu sur- surg suri surn surr surs surt suru sus- susi suss sust susu suti sutu suus tgts tigi tigr tigs tiit tiiu ting tini tinn tins tint tinu tiri tirr tirs tiru tisi tiss tist titi tits titt titu tngs tnts tnut tri- trig trin tris trit trng trsi trst trtr trug trun trus trut truu tsgt tsig tsin tsis tssg tssi tssr tsst tsts tsui tsun ttss tttt tugg tugs tugu tuig tuin tuis tuit tuiu tung tuni tunn tuns tunu turg turi turn turr turs turt turu tusi tuss tust tuti tuts tutt tutu uggs uggt ugis ugni ugri ugur uguu uint uirr uist uits ungu uni- unii unin unir unis unit unni unns unrs uns- unsg unst unts unus unut urgi urgu urin uris uriu urni urns urri ursi urss ursu urts urun urur urus urut usin usis usnr usnu ussr usss usst ussu usti usts usui usun usus utin utis utri utti uttu utug uuni uuri uusi uuuu