bbbb bbin bibb bibi biin bin- bini binn binu biny bipp bipu bnib bnin bnpp bubb bubi bubu buin buiu bunb buni bunn bunu buyi buyu byun i-by ibuy ibyi iiii inby inni innu inny inp- inpi inpp inui inun inup ipin ippy iuiu iupp n-ii n-up nbpp nibi niip niiu nini niyi nnnn nnpi npin nubi nuby nuin nunn nuny nyny pibb pibi piip pini pinn pinp pinu piny pipi pipp pipy pnin pnpp pnup ppib pppn pppp pubu puin puiu punu puny pupi pupu pupy puy- puyi pyin pyn- pypy ubbi ubii uipi uni- unii unin unni upby upin upnp uppp uppu uppy upup uuni uuuu uuyn uyin yubu yuin yuny yupi yuyu yyyy