bbbb bbbs bbch bbci bbfc bbhs bcbc bcbs bccc bcci bccs bcfc bchs bcis bcof bcos bcsc bcss bfcs bffs bfhs bfsi bhcc bhff bhhs bhoi bhsf bibb bibi bibo bibs bicc bich bici bico bics biff bifi bihi bihs biis bio- bioc bioi bios bis- bisc bish biso biss bobb bobi bobo bobs boch boco bocs boff bofh bofs boho bohs boi- boii bois boob booc boof booh boos bosc bosh bosi boso boss bsci bscs bsfc bsff bsfs bshs bsic bsos bssc c-bo cbbc cbbs cbcc cbcs cbfb cbfc cbhs cbsc cbsi ccbc cccb cccc cccf ccci cccs ccfc ccff ccfi cchs ccic ccii ccis ccob ccoc ccsf ccsi ccss cfbc cfbs cfcb cfcf cfco cfcs cffb cfhs cfos cfsi chch chci chcs chfc chfi chfs chhs chib chic chif chih chis choc choh choi choo chos chsc chsh chsi cibc cibi cibo cicc cich cici cico cics ciff cifs cihs ciii ciis ciob cios cis- cisc cish ciss cobb cobh cobi cobo cobs coch coco cofc coff cofi cofs coho cohs coif cois coob coof cooh coos cosc cosh cosi coso coss csbf cscb cscc cscf csch csci csco cscs csfc cshs csib csio csis csob csos fbhs fbis fcbs fccf fcch fchs fcic fcii fcsc ffcc ffff ffhs ffii ffss fhci fhfs fhhs fhss fibs ficc fich fico fics fifc fiff fifi fifo fiii fios fisc fish fisi fiss fobs foch foci foco focs fofo fohs fois foof foos fosb fosh fosi foso foss fscb fscc fsfi fsfo fshb fshs fssc fssf h-ii hbbs hbfc hbhs hbic hbio hboc hbos hbss hcbc hcbs hccb hccc hcch hccs hcfc hchi hchs hcis hcsc hcso hcss hfcs hfhs hfss hhhh hhhs hhof hi-c hibi hicc hich hico hics hiff hifh hifi hifo hihc hihi hiho hiis hiob hioc hisb hish hiss hobo hobs hoch hocs hoff hofs hoho hoif hois hoof hoos hosh hoss hsbc hscc hsci hsfc hsfs hshs hsob ibcs ibfi ibis ibos ibsf ibss icbc icbs iccb iccc iccf icci icco iccs icfb ichc ichi icho ichs icis icoc icos icsb icsc icsh icsi icss ifbb ifco ific ifis ifsb ifsc ifso ihcc ihis ihob ihss iiii iiio iiis iioi iioo iios iisc iisi iobi ioci iofc ioii ioio ioof iooi iooo ioos ioso iscc isch isci isco iscs isfc ishi ishs isic isis iso- isoc isof isos issc issf issh issi isso isss obbo obhs obis oboi obos obss ocbc occc occi ochi ochs ocis ocos off- offc offh offo offs ohcc ohhi ohho ohhs ohif ohio ohis ohob ohoh ohos ohso ohss oici oiii oios oisc oobi ooff oofs ooho oohs oooh oooo ooos oosi oscc osci osco oshc oshi osho oshs osii osis osoi osoo osos ossb ossi osso s-ib s-ic s-ii s-os sbbs sbcc sbcs sbfc sbhc sbhs sbic sbsi scbi sccc sccs scfc scfi sch- schh schi scho schs sci- scic scif scio scis scob scoh scoo scsc scsh scsi scso sfbc sfcc sfco sfcs sffc sfhs sfio sfos sfss shbs shcc shhh shhs shib shih shii shio shis shof shoo shos shsc sibc sibi sibo sibs sicc sich sici sico sics siff sifo sihi sihs sios sisc sish sisi siss sobo sobs soch soci soco socs sofi sofo sohh soho sohs soic soif sois soof soos sosh sosi soso soss sscc ssci sscs ssfc sshs ssis ssoc sssb sssc sssf sssh sssi ssss