bbbb bbdd bbin bdii bdin bibb bibi bidi bidu biin bin- bind bini binn binu bipp bipu bnib bnin bnpp bubb bubi bubu budb budd budi budu buid buin buiu bunb bund buni bunn bunu dbpd dddd ddub dibb dibp didi didu diii din- dini dinn dinu dipn dipp dipu dpin dpni dub- dubb dubu dudd dudu duid duin dunn ibid idid idin idub idun iiii inbd ind- indi indu inid inni innu inp- inpi inpp inui inun inup ipdi ipid ipin iuiu iupp n-ii n-up nbpp nddb ndnp ndpd nibi nidd nidi niip niiu nind nini nndb nnnn nnpi npin nppd nubi nudd nudi nuin nunn pdpn pibb pibi piip pind pini pinn pinp pinu pipi pipp pnin pnpp pnup ppib ppid pppd pppn pppp pubu pudu puid puin puiu pund punu pupi pupu ubbi ubid ubii ubud uddi udid udin udpd udun uipi unbd undi uni- unii unin unni upin upnp uppp uppu upup uuni uuuu