fiini fili- filin filip finif fitil fitin fitit flinn flint flipp flipt i-pin if-- ifill ifin ifttt iiiii iitti iliff ilift illin illit infin infit inili inini inipi innit innti intil ipini ipiti itfit ittti li-fi lilin lilli linin lipin lippi litti n-p-n niftp niiip nilin nilit ninti nipin nipit nitin nitti ntini p-n-p pili- pilin pinin pinit pinll pinn- pinni pipil pipit pipli pippi pitin pitip pitti plint plitt pllnt pptnt ptil- ti-ti tifni tiifp tilfi tilip tilli tinli tipil tipin tipit tippi titii titil titin titli titpn titti tllnn tnftp tntnt ttttt