-ing ffff ffii ffss fiff fifi figg figs fiii fing fini finn fins fisi fiss fsfi fsgs fssf ggfg gggg ggss giff gifs gigg gigi gign gigs giis ging gini ginn gins giss gnin gsif gsis ifis ifni ifns iggs igis igni igns iiii iiis iisi infi infs ings inig inis inni inns inss isin isis issf issi isss n-ii nfff ngfs ngns ngsn niff nigg nigs ning nini nins nisi niss nngn nnnn nnss nsfs nsin nsis nssf nsss s-ii sfss sggg sggs sgss siff sigg sigi sign sigs sing sini sinn sins sisi siss snig snns ssgs ssin ssis ssns sssf sssi ssss