bbbb bbbs bbhs bffs bfhs bfsi bhff bhhs bhoi bhsf bibb bibi bibo bibs biff bifi bihi bihs biis biji bijs bio- bioi bios bis- bish biso biss bjhs bobb bobi bobo bobs boff bofh bofs boho bohs boi- boii bois boji bojo boob boof booh boos bosh bosi boso boss bsff bsfs bshs bsos fbhs fbis ffff ffhs ffii ffss fhfs fhhs fhss fibs fiff fifi fifo fiii fiji fios fish fisi fiss fobs fofo fohs fois foof foos fosb fosh fosi foso foss fsfi fsfo fshb fshs fssf h-ii hbbs hbhs hbio hbos hbss hfhs hfsj hfss hhhh hhhs hhof hibi hiff hifh hifi hifo hihi hiho hiis hijo hiob hisb hish hiss hobo hobs hoff hofs hoho hoif hois hojo hoof hoos hosh hoss hsfs hshs hsob ibfi ibis ibos ibsf ibss ifbb ifis ifsb ifso ihis ihob ihss iiii iiio iiis iioi iioo iios iisi iisj ijji iobi ioii ioio ioof iooi iooo ioos ioso isfj ishi ishs isis iso- isof isos issf issh issi isso isss jbhs jbob jffs jfhs jhhs jibb jibi jibs jiff jiji jish jiso jobo jobs johi joho joio jois joji jojo joof joos josh joso joss jsss obbo obhs obis oboi obos obss off- offh offo offs ohhi ohho ohhs ohif ohio ohis ohob ohoh ohos ohso ohss oiii oios ojos oobi ooff oofs ooho oohs ooij ooji oooh oooo ooos oosi oshi osho oshs osii osis osoi osoo osos ossb ossi osso s-ib s-ii s-os sbbs sbhs sbsi sfhs sfij sfio sfos sfss shbs shhh shhs shib shih shii shio shis shof shoo shos sibi sibo sibs siff sifo sihi sihs sijo sios sish sisi siss sjhs sjis sobo sobs sofi sofo sohh soho sohs soif sois soji soof soos sosh sosi soso soss sshs ssis sssb sssf sssh sssi ssss