bbbb bblb bbng bbrc bbrg bcbc bcbg bccc bccl bcor bgon blno blob bloc blog blon bloo blrc blrg bnoc bnor bnrr bobb bobo boco bogg bogo bolg boll boln bolo bonc bong bonn bono boob booc boog bool boon boor bor- borg born boro borr brcb brno brob broc brog brol bron broo bror brrr c-bo cbbc cbcc cbcl cbcn cbcr cbgb cblb cblc cbln cbol cbrl cbrn ccbc ccbn cccb cccc cccl ccgc cclc cclg ccnb ccnc ccnr ccob ccoc ccrc ccrg ccrl cgcc cgcg cgro clob clog clon cloo clor clro cnbc cnbl cnco cnrc cnrr cobb cobo coco cogo col- colb coll coln colo con- conc cong conn cono coob cool coon cor- corb corc corg corl corn coro corr crbc crcc crcr crob croc crol cron croo cror gbbo gbon gc-c gcbc gccc gclc gcrg ggcl gggg ggrn glbc glcc glob glog glor glrb glro gncc gngc gnoo gnrc gnrr gobl gobo gocr gogo goll golo gon- gong gonn gono goog gool goon goor gorb gorg gorn goro gorr grbr grcc grob groc grog grol gron groo gror grrl grrr lbcc lblr lcbc lccc lcor lcrg lcrl llcc llgc lllc llll lloc lloo lncr lob- lobb lobo locc locn loco log- logb logo loll lolo long lono lonr loob looc lool loon loor lorn loro lrgb lroc lron lrrc lrrr nbbc nbbo nbcc nbco ncbc nccc nccn nccr ncgr nclc ncln nclr ncnc ncoc ncor ncrc ngol ngon ngor nlcc nlgn nlrb nngn nnnn nobc nobo nocl noco nogg nogo noll nolo non- nong nonn nono noo- noob nool noon nooo noor nor- norb norc norg norn noro norr nrlb nroc nron nrrc nrrl obbo obol obon obor obro ocbc occc occn oclc ocon ocrl ocro ocrr ogb ognl ogog ogon ogro olbo olcc olgc olgr ollo olog olon olor onc- onco ongo onno onon onor oocr oolo oooo orbb orbo orco orgn orgo orlo ornc orno oro- oron oror orro rbbb rbbr rbcl rcbc rcbo rccb rccc rcgc rcnl rcnr rcon rcrg rlcg rnbr rnco rob- robb robo rocc roco rogg rogo roll rolo ronc rong rono roob roog rool roon roor rorc roro rrrr