-ose bbbb bbbs bbeb bbox bebb bebe bebi bebo beeb bees beis beo- beos bes- bese beso bess bibb bibe bibi bibo bibs bieb bies biis bio- bioi bios biox bis- bise biso biss bixi bobb bobe bobi bobo bobs boee boeo boes boi- boie boii bois boob booe boos boox bose bosi boso boss bseb bsee bses bsix bsos bsse ebbo ebbs ebes ebis ebix eboe eboo ebos ebox eeee eees eese eesi eiei eies eise eiso eiss eoes eois esbo esbs esee eseo eses esie esis eso- esos esox esse essi esso exes exis exo- exos i-be ibes ibex ibie ibis ibos ibox ibss ieie ieio iesi ieso iies iiie iiii iiio iiis iioi iioo iios iisi iobi ioee ioii ioio iooi iooo ioos ioso isbe isbx iseb isee iseo ises isie isis iso- isos isse issi isso isss ixos ixxi o-eo obbo obes obex obie obis obix oboe oboi obos obox obss oese oies oiii oios oise oobe oobi ooes oooo ooos oose oosi osbe osee osei oses osie osii osis osoi osoo osos ossb osse ossi osso oxes oxi- oxie oxis oxo- oxos oxox oxsi oxxo s-ib s-ii s-os sbbs sbse sbsi se-e se-i se-o se-s se-x sebe sebi sebo sebs seeb sees seex seie seii seis seix seoi sese sesi seso sess sex- sexe sexi sibe sibi sibo sibs sies siex sioe sios siox sise sisi siss sixe sixo sixx sobe sobo sobs soeo soes soie sois soos sose sosi soso soss soxs ssee sses ssex ssis sssb sssi ssss xbee xbox xexe xibe xibo xiii xisi xixi xois xoxo xxii xxix xxxi xxxo xxxx