-ing gggg ggrn ggss gigg gigi gign gigs giis ging gini ginn gins gipi gipp gips girg giri girn girr girs giss gnin gnip gnps gnrr gpgp gpip gprp gprs gpsg gpsi gpss gpvi grig grin grip gris grni grps grrr grrs grss gsis gvvv iggs igis igni igns igri igsp iiii iiis iirs iisi iisp iisr ings inig inis inni innr inns inp- inpi inpp inri inrs insp inss invs ipin ippr ipri ipsi ipsp ipss ipvs irgs iri- irig irin irip iris irps irri irrs irsg irsp irvs isin isis ispr isps isrg isri isrp issi issp issr isss ivig ivin ivrs n-ii ngns ngri ngsn nigg nigs niip niir ning nini nins nipr nips nirs nirv nisi nisp niss nivr nngn nnnn nnpi nnpr nnss npin npiv npri npss nrpn nrps nrsp nrsv nsin nsis nsnr nspi nsps nssp nssr nsss nvir nvis nvpi nvss pgss pigg pign pigp pigs pigv piip ping pini pinn pinp pins pipi pipp pips pirg piri pirn pirr pirs pisg pisi piss pnin pnpp ppgi ppig pppn pppp ppps ppss prgs pri- prig prii prin pris priv prnp prps prri prrs prsi prss prsv psgi psgr psip psis psni psnr pspi pspp pspr psps psrp rigg rigi rigs riin riis ring rinn ripi ripp ripr rips riri rirs risi risp riss rivp rivs rngs rnin rnpv rnsp rpgs rpii rppn rpps rrrr rrsp rsis rsnn rsnr rsps rsvp rvsp s-ii s-iv sggg sggs sgps sgss sgsv sigg sigi sign sigs sing sini sinn sinp sins sipi sipp sips siri sirp sirr sirs sisi siss sivi snig snip snir snns snpg snpp snrs snvi spig spin spip spir spis spiv spns spps spri sprs spsp spss sris srni srnn srps srsp srvn ssgs ssin ssis ssns ssps ssrg ssri ssrs sssi ssss ssvp svir svns svrg vigr vigs viii ving vini vins vipr vips virg viri virr visi visn visp viss vivi vnir vrin vris vrnn vrpn vrsi vsip vsrp vvvv