bbbb bbrc bcbc bccc bcor bjcc bnoc bnor bnrr bobb bobo boco bojo bonc bonn bono boob booc boon boor bor- borj born boro borr brcb brnj brno brob broc bron broo bror brrr c-bo cbbc cbcc cbcn cbcr cbrj cbrn ccbc ccbn cccb cccc ccjo ccnb ccnc ccnr ccob ccoc ccrc cjbc cjcb cjcj cjnb cjnr cjob cjon cjor cjrb cjrc cjrj cjrn cnbc cnco cnnj cnrc cnrr cobb cobo coco cojo con- conc conj conn cono coob coon cor- corb corc corn coro corr crbc crcc crcr crob croc cron croo cror j-ro jbob jcbc jccc jcrc jjcc jnco jobo joco jojo jonn jono joon joor jorn joro jrbr nbbc nbbj nbbo nbcc nbco ncbc nccc nccn nccr ncnc ncoc ncor ncrc nnnn nobc nobo noco non- nonn nono noo- noob nooj noon nooo noor nor- norb norc norn noro norr nroc nron nrrc obbo obon obor obro ocbc occc occn ocon ocro ocrr onc- onco onno onon onor oocr oooo orbb orbo orco ornc orno oro- oron oror orro rbbb rbbr rcbc rcbo rccb rccc rcnr rcon rnbr rnco rob- robb robo rocc roco rojo ronc rono roob roon roor rorc roro rrrr