-ing gggg ggss gigg gigi gign gigs giis ging gini ginn gins giss gist gits gnin gnit gnti gntv gsis gvtv gvvv iggs igis igni igns iiii iiis iiit iisi iist iitt ings inig inis init inni inns inss inst intg inti intn ints invs invt isin isis isit isnt issi isss isti ists itgs itin itis itsi ivig ivin n-ii n-tv ngns ngsn ngtn ngts ngtv nigg nigs nigt niit ning nini nins nisi niss nist niti nits nngn nnit nnnn nnss nntn nnvt nsin nsis nsss nsts ntis ntss nttv ntvg nvis nvss nvtv s-ii s-iv s-vt sggg sggs sgss sgsv sgts sigg sigi sign sigs siit sing sini sinn sins sint sisi siss sist sit- siti sitn sits sitt sivi snig snit snns sntv snvi ssgs ssgt ssin ssis ssit ssns sssi ssss ssts st-v stig stis stit stng stnn stns stsi stss stvs svit svns tgts tigi tigs tiit ting tini tinn tins tint tisi tiss tist titi tits titt tivi tngs tnts tsgt tsig tsin tsis tsiv tssg tssi tsst tsts tsvi ttss tttt tvis tvni tvsn tvss tvtv vigs viii ving vini vins vint visi visn viss vist vitg viti vitt vivi vt-i vvvv