bibbo bibin bibio binub bionx bixin bixio bo-bo bobbi bobin bonin bonio bonon bonou bonox bouin bouix bouni boxin boxun bubon bunin bunun buono buoux i-bon ibibo iboxx iiiii iiuni inbin inbox inini inio inio- inion inniu inonu iobox iono- ioooi ioooo iunno ixion nibbi niibi ninib ninon ninox ninux niono nixon nnooo no-no nobin nobob nobox nobuo non-u nonin nonio nonni nonno noonu nouni noxon nu-nu nunni nunon nunun nuxiu o-bon obion oino- oinoi onibi onin onion onoon ooioo oonin ooooo oxxio u-n-i u-nii ubobo unbox unini uninn union unnun uno-x uuuuu x-box xibun xobni xonix xonox xoxox xuixo xxiii xxxii xxxix