bbbb bbbs bbfc bcbc bcbg bcbs bccc bccs bcfc bcgs bcof bcos bcsc bcss bfcs bffs bfgf bgfc bggs bobb bobo bobs boco bocs boff bofs bogg bogo bogs boob booc boof boog boos bosc boso boss bscs bsfc bsff bsfs bsgs bsos bssc c-bo cbbc cbbs cbcc cbcs cbfb cbfc cbgb cbsc ccbc cccb cccc cccf cccs ccfc ccff ccgc ccgs ccob ccoc ccsf ccsg ccss cfbc cfbs cfcb cfcf cfco cfcs cffb cfgo cfgs cfos cfsg cgcc cgcg cgfc cggs cgsb cgss cobb cobo cobs coco cofc coff cofs cogo cogs coob coof coos cosc coso coss csbf cscb cscc cscf csco cscs csfc csob csos fcbs fccf fcgs fcsc ffcc ffff ffss fgcs fobs foco focs fofo fogg fogo fogs foof foos fosb foso foss fscb fscc fsfo fsgs fssc fssf gbbo gbbs gbfc gc-c gcbc gccc gccf gccs gcfc gcos gcss gfcf ggfg gggg ggss gobo gobs goff gogo gogs goof goog goos goso goss gsfc gsoc gsos obbo obos obss ocbc occc ocos off- offc offo offs ofgo ogb ogog ooff oofs oooo ooos oscc osco osoo osos ossb osso s-os sbbs sbcc sbcs sbfc sccc sccs scfc scfg scgs scob scog scoo scsc scso sfbc sfcc sfcg sfco sfcs sffc sfog sfos sfss sgcb sgcg sggg sggs sgss sobo sobs soco socs sofo sogo sogs soof soog soos soso soss sscc sscs ssfc ssgs ssoc sssb sssc sssf ssss