-ing gggg ggrn ggss gigg gigi gign gigs giis ging gini ginn gins ginu gipi gipp gips girg giri girn girr girs giru giss giur gius gnin gnip gnps gnrr gnus gpgp gpip gprp gprs gpsg gpsi gpss grig grin grip gris grni grps grrr grrs grss grug grui grun grur grus gsis gsur gugg gugi gugu guin guis gung gunn guns gups gurg guri gurn gurr gurs guru guss guus iggs igis igni igns ignu igri igsp igus iiii iiis iirs iisi iisp iisr iisu ings inig inis inni innr inns innu inp- inpi inpp inri inrs insp inss insu inui inun inup inus ipin ippr ipri ipsi ipsp ipss ipur ipus irgs iri- irig irin irip iris irps irri irrs irsg irsp irun irus isin isis ispr isps isrg isri isrp issi issp issr isss issu isup isus iugs iuiu iupp iuss n-ii n-up ngns ngri ngsn ngur nguu nigg nigs niip niir niiu ning nini nins nipr nips nirs niru nisi nisp niss nisu niur nngn nnnn nnpi nnpr nnss npin npri npss nrpn nrps nrsp nsin nsis nsnr nspi nsps nssp nssr nsss nugs nuin nung nunn nuns nups nuri nurn nurp nurr nurs nuru nusi nuss nusu pgpu pgss pgup pigg pign pigp pigs pigu piip ping pini pinn pinp pins pinu pipi pipp pips pirg piri pirn pirr pirs piru pisg pisi piss pisu pius pnin pnpp pnup ppgi ppig pppn pppp ppps ppru ppss ppur prgs pri- prig prii prin pris prnp prps prri prrs prsi prss prus pruu psgi psgr psip psis psni psnr pspi pspp pspr psps psrp pugs pugu puig puin puir puis puiu pung puns punu pupi pups pupu pur- purg puri purp purr purs puru pusi puss rigg rigi rigs rigu riin riis ring rinn ripi ripp ripr rips riri rirs risi risp riss risu rius rngs rnin rnsp rpgs rpii rppn rpps rrrr rrsp rrun rsis rsnn rsnr rsps rugg rugi rugs ruin ruis rung runi runn runs rupp ruri rurp rurs ruru rusi russ rusu ruun s-ii sggg sggs sgps sgss sigg sigi sign sigs sing sini sinn sinp sins sinu sipi sipp sips siri sirp sirr sirs siru sisi siss sisu siui sius snig snip snir snns snpg snpp snrs snug snur snus spig spin spip spir spis spns spps spri sprs spsp spss spug spui spun spur spus sris srni srnn srps srsp ssgs ssin ssis ssns ssps ssrg ssri ssrs sssi ssss sug- sugg sugi suig suin suir suis sun- sung suni sunn suns sunu sup- supp supr sups sur- surg suri surn surp surr surs suru sus- susi susp suss susu suus u-rp uggs ugis ugni ugri ugur uguu uipi uirr ungp ungu uni- unii unin unir unis unni unns unps unrs uns- unsg unus upin upis upnp uppp uppu upri upsi upup urgi urgu urin uris uriu urni urns urri ursi urss ursu urun urup urur urus usgp usin usip usis usnr usnu uspp usps ussr usss ussu usui usun usus uuni uuri uusi uuuu