-ing gggg ggss gigg gigi gign gigs giis ging gini ginn gins giss gist gits gnin gnit gnti gsis iggs igis igni igns iiii iiis iiit iisi iist iitt ings inig inis init inni inns inss inst intg inti intn ints isin isis isit isnt issi isss isti ists itgs itin itis itsi n-ii ngns ngsn ngtn ngts nigg nigs nigt niit ning nini nins nisi niss nist niti nits nngn nnit nnnn nnss nntn nsin nsis nsss nsts ntis ntss s-ii sggg sggs sgss sgts sigg sigi sign sigs siit sing sini sinn sins sint sisi siss sist sit- siti sitn sits sitt snig snit snns ssgs ssgt ssin ssis ssit ssns sssi ssss ssts stig stis stit stng stnn stns stsi stss tgts tigi tigs tiit ting tini tinn tins tint tisi tiss tist titi tits titt tngs tnts tsgt tsig tsin tsis tssg tssi tsst tsts ttss tttt