-ose bbbb bbbs bbeb bbox bebb bebe bebi bebo beeb beef bees befe beff befo beis beo- beof beos bes- bese beso bess bffs bfsi bibb bibe bibi bibo bibs bieb bief bies biff bifi biis bio- bioi bios biox bis- bise biso biss bixi bobb bobe bobi bobo bobs boee boef boeo boes bofe boff bofs boi- boie boii bois boob booe boof boos boox bose bosi boso boss bseb bsee bses bsff bsfs bsix bsos bsse ebbo ebbs ebes ebis ebix eboe eboo ebos ebox eeee eees eefe eese eesi efeo efes effi effs efsi eiei eies eifs eise eiso eiss eoes eois esbo esbs esee eseo eses esfs esie esis eso- esos esox esse essi esso exes exfo exif exis exo- exos fbis febo febs feeb fees fefe feff fefi fefo feie feio feis feof fese fess ffee ffff ffii ffss fibe fibs fief fies fife fiff fifi fifo fiii fioe fios fise fisi fiss fixe fixx fobs foes fofo foie fois foix foof foos fosb fosi foso foss foxe foxx fsfi fsfo fsix fssf i-be ibes ibex ibfi ibie ibis ibos ibox ibsf ibss ieie ieio iesi ieso ifbb ifes ifex ifis ifsb ifso iies iiie iiii iiio iiis iioi iioo iios iisi iobi ioee ioii ioio ioof iooi iooo ioos ioso isbe isbx iseb isee iseo ises isie isis iso- isof isos isse issf issi isso isss ixos ixxi o-eo obbo obes obex obie obis obix oboe oboi obos obox obss oese off- offe offo offs oies oiii oios oise oobe oobi ooes ooff oofs oooo ooos oose oosi osbe osee osei oses osie osii osis osoi osoo osos ossb osse ossi osso oxes oxi- oxie oxis oxo- oxof oxos oxox oxsi oxxo s-ib s-ii s-os sbbs sbef sbse sbsi se-e se-f se-i se-o se-s se-x sebe sebi sebo sebs seeb seef sees seex seff sefi seie seif seii seis seix seoi sese sesi seso sess sex- sexe sexi sfio sfos sfss sibe sibi sibo sibs sief sies siex sife siff sifo sioe sios siox sise sisi siss sixe sixo sixx sobe sobo sobs soeo soes sofi sofo soie soif sois soof soos sose sosi soso soss soxs ssee sses ssex ssis sssb sssf sssi ssss x-fi xbee xbox xefe xexe xibe xibo xiii xisi xixi xois xoxo xxii xxix xxxi xxxo xxxx