bbbb bbbs bbci bcbc bcbp bcbs bccc bcci bccs bcis bcos bcpp bcps bcsc bcss bibb bibi bibo bibs bicc bici bico bics biis bio- bioc bioi bios bipp bips bis- bisc biso bisp biss bobb bobi bobo bobs boco bocs boi- boii bois boob booc boop boos bopp bops bosc bosi boso boss bpcp bsci bscp bscs bsic bsos bspp bssc c-bo cbbc cbbs cbcc cbcp cbcs cbpc cbpp cbsc cbsi ccbc cccb cccc ccci cccp cccs ccic ccii ccip ccis ccob ccoc ccpp ccps ccsi ccsp ccss cibc cibi cibo cicc cici cico cics ciii ciis ciob cios cipo cipp cips cis- cisc cisp ciss cobb cobi cobo cobs coco cocp coip cois coob coop coos copi copo copp cops cosc cosi coso cosp coss cpbc cpcs cpic cpio cpos cpps cpsc cpso cscb cscc csci csco cscs csib csio csis csob csos cspb cspc cspi csps ibcs ibis ibos ibss icbc icbp icbs iccb iccc icci icco iccp iccs icis icoc icos icpc icpo icps icsb icsc icsi icsp icss iiii iiio iiis iioi iioo iiop iios iisc iisi iisp iobi ioci iocp ioii ioio iooi iooo ioos iops ioso ipcc ipcs ipop ipos ippc ippo ipsc ipsi ipso ipsp ipss iscc isci isco iscp iscs isic isis iso- isoc isop isos ispc isps issc issi isso issp isss obbo obis oboi obos obss ocbc occc occi ocis ocos ocpp oici oiii oios oipc oisc oobi oooo ooos oops oosi opic opii opio opis opo- opos oppi oppo opps opsi osbp oscc osci osco osii osip osis osoi osoo osos ossb ossi osso pbcc pboc pbsp pcbc pcbs pccc pccs pcip pcos pcpb pcpp pcps pcso pibb pibi picc pici pico pics piip piob pipi pipo pipp pips pisi piso piss pobo pobs poco pocs poio pois poop poos pop- popc popi popo popp pops posb posi poso poss ppcc ppci ppcs ppib ppic ppos pppo pppp ppps ppss psci psco psip psis psoc psoi psos pspi pspp psps pssc psso s-ib s-ic s-ii s-os sbbs sbcc sbcs sbic sbsi sbsp scbi sccc sccp sccs sci- scic scio scip scis scob scoo scop scpb scpi scpo scps scsc scsi scso sibc sibi sibo sibs sicc sici sico sicp sics siop sios sipc sipi sipo sipp sips sisc sisi siss sobo sobp sobs soci soco socs soic sois soop soos sopi sopo sopp sops sosi soso soss spcc spco spcs spib spic spio spip spis spoc spoo spop spos spps spso spsp spss sscc ssci sscp sscs ssis ssoc ssop sspc sspo ssps sssb sssc sssi ssss