h-ii hhhh hhip hihi hiho hinn hino hipo hipp hnoi hohn hoho hoip honi hono hoon hoop hopi hopo hopp i-no ihop iiii iiio iino iioi iioo iiop inni inno ino- inoi inon inp- inpi inpp ioii ioio ioni ionn iono iooi iooo ipin ipoh ipop ippo n-ii nhnn nhon nhpi niip ninh nini nino nioh nion nioo nnnn nnpi nohn noho noin noio non- noni nonn nono noo- noon nooo noop noph npin ohhi ohho ohio ohno ohoh oiii oion onni onno onon ooho oooh oooo ophi opii opin opio opo- opon oppi oppo phi- phin phip phno phoh phon phoo piip pini pinn pino pinp pion pipi pipo pipp pnin pnon pnpo pnpp poin poio poni pono ponp pooh poon poop pop- popi popo popp pphi ppih pppn pppo pppp