bbbb bbbs bbci bboy bbyo 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 bisy biys bobb bobi bobo bobs boby boco bocs boi- boii bois boob booc boop boos bopp bops bosc bosi boso boss boyi boyo boys bpcp bsci bscp bscs bsic bsos bspp bssc byob byoc byoi byop byos bysb bysi byso bysp byss bysy 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 cisy cobb cobi cobo cobs coby coco cocp coip cois coob coop coos copi copo copp cops copy cosc cosi coso cosp coss cosy coyo coys cpbc cpcs cpic cpio cpos cpps cpsc cpso cscb cscc csci csco cscs csib csio csis csob csos cspb cspc cspi csps csys cybb cybc cybi cybo cyc- cycb cycc cycs cypc cyps cyy- cyyc i-by ibcs ibis ibos ibss ibyi 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 ioby ioci iocp ioii ioio iooi iooo ioos iops ioso ipcc ipcs ipop ipos ippc ippo ippy ipsc ipsi ipso ipsp ipss iscc isci isco iscp iscs isic isis iso- isoc isop isos ispc isps ispy issc issi isso issp isss issy isys iyos obbo obby obis oboi obos oboy obss ocbc occc occi ocis ocos ocpp ocys oici oiii oios oipc oisc oobi ooby oooo ooos oops oosi opic opii opio opis opo- opos oppi oppo opps oppy opsi opsy osbp osby oscc osci osco osii osip osis osoi osoo osos ossb ossi osso ossy osyp oyss pbcc pboc pbsp pcbc pcbs pccc pccs pcip pcos pcpb pcpp pcps pcso pibb pibi picc pici pico pics picy piip piob pipi pipo pipp pips pipy pisi piso piss pisy piyo piys pobo pobs poco pocs poio pois poop poos pop- popc popi popo popp pops popy posb posi poso poss posy poyo poys ppcc ppci ppcs ppib ppic ppos pppo pppp ppps ppss psci psco psip psis psoc psoi psos pspi pspp psps pssc psso psy- psys pyic pyo- pyos pypy pyss s-ib s-ic s-ii s-os sbbs sbcc sbcs sbic sbsi sbsp scbi sccc sccp sccs sccy sci- scic scio scip scis scob scoo scop scpb scpi scpo scps scsc scsi scso sibc sibi sibo sibs siby sicc sici sico sicp sics siop sios sipc sipi sipo sipp sips sipy sisc sisi siss sisy siyi sobo sobp sobs soci soco socs socy soic sois soop soos sooy sopi sopo sopp sops sopy sosi soso soss soyo soys spby spcc spco spcs spib spic spio spip spis spoc spoo spop spos spoy spps spso spsp spss spy- spys ssby sscc ssci sscp sscs ssis ssoc ssop sspc sspo ssps sssb sssc sssi ssss sybo syco syis sypo syso syss ybbs yccc ycsb yips yiss yobi yobo yobs yoop yopo yopy yosi yoso yoyo ypcc ypsi ysby ysco ysii ysop yspi ysyb yyyy