giggling glugging grilling grinning gripping guggling gurgling gurihiru gurughli guruplug higgling hinihini hirpling hiung-nu hrungnir huggling hungpung i-ii-iii igilgili illuring inlining inurning ipilipil iriguini lingling linguini liningup ngunguru niggling nilghiri ningning phiiliip philippi pig-hull pilipili pingping pipingin piripiri pirulin plipping plugging plunging prigging prilling puggling pungling punihuil punugulu pupillin purpling purpuri- purpurin riggling ringgrin ringling rippling rugining rupununi uh-uh-uh ulugulli ungluing unlining uppiling uppuluri