-ose bbbb bbbs bbeb bebb bebe bebo beeb bees beo- beos bes- bese beso bess bevo bevs bobb bobe bobo bobs boee boeo boes boob booe boos bose boso boss bove bovo bseb bsee bses bsos bsse ebbo ebbs ebes eboe eboo ebos eeee eees eese eoes esbo esbs esee eseo eses eso- esos esse esso eves evoe evoo evos o-eo obbo obes oboe obos obss obvs oese oobe ooes oooo ooos oose osbe osee oses osoo osos osov ossb osse osso osve ovee ovo- ovoo s-os sbbs sbse se-e se-o se-s sebe sebo sebs seeb sees sese seso sess seve sobe sobo sobs soeo soes soos sose soso soss sosv sove sovo sovs ssee sses sssb ssss vees vese vess veve vevo voes vose voso voss vsee vses vsoe vsse vvob vvsb vvvv