fiini finif firit fitin fitit fitri fripp fritt ftrtt i-pin if-- ifin ifrit ifttt iiiii iitti infin infit inini inipi innit innti intpr ipini ipiti irinn irpin irrit itfit itrip ittti n-p-n niftp niiip ninti nipin nipit nipri nirit nitin nitr- nitti ntini p-n-p piiri pinin pinit pinn- pinni pipit pippi pipri pirin pirni pirri pitin pitip pitri pitti pptnt priit print priti pritt prntr ptprf ptprn ptprr ptprt ri-fi rintt ripit ti-ti tifni tiifp tipin tipit tippi tirit titii titin titpn titti tnftp tntnt triin triip trini tripi tripp tript trit- tritn tritt trpin ttttt