-ing gggg ggrn ggss gigg gigi gign gigs giis ging gini ginn gins ginu gipi gipp gips girg giri girn girr girs girt giru giss gist gits giur gius gnin gnip gnit gnps gnrr gnti gntp gnus gpgp gpip gprp gprs gpsg gpsi gpss grig grin grip gris grit grni grps grrr grrs grss grug grui grun grur grus grut gsis gspt gstr gsur gtip gugg gugi gugu guin guis gung gunn guns gunt gups gurg guri gurn gurr gurs gurt guru guss gust guti guts gutt gutu guus iggs igis igni igns ignu igri igsp igus iiii iiis iiit iirs iisi iisp iisr iist iisu iitr iitt ings inig inis init inni innr inns innu inp- inpi inpp inpt inri inrs insp inss inst insu intg inti intn intp intr ints intu inui inun inup inus ipin ippr ipri ipsi ipsp ipss ipts ipur ipus iput irgs iri- irig irin irip iris irps irri irrs irsg irsp irti irtp irts irun irus isin isis isit isnt ispr isps isrg isri isrp issi issp issr isss issu isti istp istr ists isup isus itgs itin itis itri itrs itsi itsp itsu itup itur iugs iuiu iupp iuss iust n-ii n-up ngns ngri ngsn ngtn ngts ngur nguu nigg nigs nigt niip niir niit niiu ning nini nins nipr nips nipt nirs nirt niru nisi nisp niss nist nisu niti nitr nits niur nngn nnit nnnn nnpi nnpr nnss nntn npin npri nprt npss nptn nrpn nrps nrsp nrts nsin nsis nsnr nspi nsps nssp nssr nsss nstp nsts nstu ntis ntnu ntru ntss ntsu nttr ntui nugs nuin nuit nung nunn nuns nunt nups nuri nurn nurp nurr nurs nurt nuru nusi nuss nust nusu nuts nutt nutu pgpu pgss pgup pigg pign pigp pigs pigt pigu piip ping pini pinn pinp pins pint pinu pipi pipp pips pirg piri pirn pirr pirs piru pisg pisi piss pist pisu piti pitr pits pitt pitu pius pnin pnpp pntr pnup ppgi ppig pppn pppp ppps ppru ppss pptn ppts pptt ppur prgs pri- prig prii prin pris prnp prps prri prrs prsi prss prti prtp prtr prus prut pruu psgi psgr psip psis psni psnr pspi pspp pspr psps psrp psst psts pstu ptgs ptui pugs pugu puig puin puir puis puit puiu pung puns punt punu pupi pups pupu pur- purg puri purp purr purs puru pusi puss pust put- puti puts putt putu rgit rgtr rgts rigg rigi rigs rigu riin riis ring rinn ripi ripp ripr rips ript riri rirs risi risp riss rist risu riti rits ritt ritu rius rngs rnin rnnt rnsp rntp rnut rpgs rpii rppn rpps rptn rpts rrrr rrsp rrun rsis rsnn rsnr rsps rstp rsts rstu rtgs rtns rtps rtss rttp rtts rugg rugi rugs ruin ruis ruit rung runi runn runs runt rupp rupt ruri rurp rurs ruru rusi russ rust rusu ruti ruts rutt rutu ruun s-ii sggg sggs sgps sgss sgts sigg sigi sign sigs siit sing sini sinn sinp sins sint sinu sipi sipp sips sipt siri sirp sirr sirs sirt siru sisi siss sist sisu sit- siti sitn sits sitt situ siui sius siut snig snip snir snit snns snpg snpp snrs sntr snug snur snus spgt spig spin spip spir spis spit spns spps spri sprs spsp spss spst sptr spts spug spui spun spur spus sput sris srni srnn srps srpt srsp srtp srtr ssgs ssgt ssin ssis ssit ssns ssps sspt ssrg ssri ssrs sssi ssss sstp ssts stgr stig stip stir stis stit stng stnn stnr stns stpp stps stri strn strs stru stsi stss sttr stug stun stup stur stus stut sug- sugg sugi suig suin suir suis suit sun- sung suni sunn suns sunt sunu sup- supp supr sups supt sur- surg suri surn surp surr surs surt suru sus- susi susp suss sust susu suti sutu suus tgts tigi tigr tigs tiit tiiu ting tini tinn tins tint tinu tip- tipi tipp tips tipt tipu tiri tirr tirs tiru tisi tiss tist titi titp tits titt titu tngs tnsp tnts tnut tpir tppp tppr tprs tptp tptr tput tri- trig trin trip tris trit trng trpg trpn trpp trps trsi trst trtr trug trun trus trut truu tsgt tsig tsin tsis tspn tsps tspt tssg tssi tssr tsst tsts tsui tsun tsup ttss tttt tugg tugs tugu tuig tuin tuis tuit tuiu tung tuni tunn tuns tunu tupi tups tupu turg turi turn turp turr turs turt turu tusi tuss tust tuti tuts tutt tutu u-rp uggs uggt ugis ugni ugri ugur uguu uint uipi uirr uist uits ungp ungu uni- unii unin unir unis unit unni unns unps unrs uns- unsg unst unts unus unut upin upis upnp uppp uppu upri upsi upup urgi urgu urin uris uriu urni urns urri ursi urss ursu urts urun urup urur urus urut usgp usin usip usis usnr usnu uspp usps ussr usss usst ussu usti ustp usts usui usun usus utin utis utri utti uttu utug uuni uuri uusi uuuu