bbbb bblb bbpr blno blob blom blon bloo blop bmop bnml bnor bnpp bnrr bobb bobo boll bolm boln bolo bomb bomp bonn bono boob bool boom boon boop boor bopp bor- borm born boro borr bpml bpmn brlp brno brob brol brom bron broo bror brrm brrr lblr llll lloo lmbo lmln lmmr lmno lnbp lob- lobb lobo loll lolo lomb lomm lomo lomp lono lonr loob lool loom loon loop loor lopp lorn loro lppl lprp lron lrrr mlnr mmlp mmmm mmor mmpr mmrp mnbb mnop mnpo mobb mobo moll moln molo molr momo mon- monn mono moob mool moon moop moor mopp morb morl morn moro mplm mppp mpro mprp mrbb mrbm mrln mrml mron nbbo nbpp nlrb nlrp nmml nmon nnnn nnpr nobm nobo noll nolo nolp nom- nomo non- nonn nono noo- noob nool noon nooo noop noor nor- norb norm norn noro norr npbl nppl nprm nrlb nrml nron nrpn nrrl obbo obol obon obor obro olbo ollo olmo olom olon olor ombo omn- omo- omon omoo omor ompl omro onno onon onor oolo oooo opml opo- opon opor oppo orbb orbo orlo ormn ormo orno oro- orom oron oror orro pbmr plbr plmb plmn plob plom plon ploo plop plpp pmbr pmln pmmp pmpm pmpo pnln pnml pnnl pnnm pnom pnon pnpo pnpp pnro pobo poll polo pomo pomp pono ponp pool poon poop poor pop- popo popp porb porn poro porr pplo ppml pppn pppo pppp pprm prlr prnp pro- prob prol prom pron proo prop prrm rbbb rbbr rlml rmll rmon rmrp rnbr rob- robb robo roll rolm rolo rolp romb romm romo romp rono roob rool room roon roop roor ropo roro rpob rpon rppn rrmp rrrr