bibin bibri binit bipib bipin birin birni bitit bitti brini brinn brint britt brrrr btr-t i-pin ibtin iiiii iitti inbin inini inipi innit innti intpr ipini ipiti irbit irinn irpin irrit itbit itrip ittti n-p-n nibbi niibi niiip ninib 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 ptprb ptprn ptprr ptprt ribbi ribin rintt ripit tbtbt ti-ti tibbi tibin tibni tipin tipit tippi tirit titii titin titpn titti tntnt triin triip trini tripi tripp tript trit- tritn tritt trpin ttttt