h-ii hhhh hihi hiho hinn hino hiri hirn hiro hnoi hohn hoho hoir honi hono hoon hoor hori horn horo horr hron i-no iiii iiio iino iioi iioo inni inno innr ino- inoi inon inor inri inro ioii ioio ioni ionn iono iooi iooo iori iri- irin irio iroh iron irri n-ii nhnn nhon niir ninh nini nino nioh nion nioo niro nnnn nohn noho noin noio noir non- noni nonn nono noo- noon nooo noor nor- nori norn noro norr nron ohhi ohho ohio ohno ohoh ohrn oiii oion onir onni onno onon onor ooho oooh oooo ori- orin orio orni orno oro- oron oror orri orro rhin rhio rhoh rhon riho riin rinn rino rion riri rnin rohn rohr roin roio roir roni rono rooi roon roor rori roro rrrr