bbbb bbbs bblb bbls blls blob blom bloo blss bobb bobo bobs boll bolm bolo bols bomb boms boob bool boom boor boos bor- borm boro borr bors bosm boso boss brls brob brol brom broo bror bros brrm brrr brrs brsb brsr bsms bsos bsrm bssm lblr lbms lbos lbrs llbs llll llms lloo lmbo lmmr lmms lmrs lmsr lob- lobb lobo lobs loll lolo lols lomb lomm lomo loms loob lool loom loor loos loro lors loso loss lrrr lrsm ls-r lsso lssr mbbs mbms mbrs mbsl mlrs mlss mmmm mmms mmor mobb mobo mobs moll molo molr mols momo moms moob mool moor moos morb morl moro mors moso moss mrbb mrbm mrbs mrls mrml mrsl msmb msml msmm msms msol msor msrb mssm mssr obbo obls obol obor obos obro obsr obss olbo ollo olmo olms olom olor olos ombo omo- omoo omor omro oolo ooms oooo ooos orbb orbo orbs orlo ormo oro- orom oror oros orro orrs orso oslo osm- osmo osoo osor osos osro ossb osso rbbb rbbr rbbs rbms rbsl rbss rlls rlml rlms rmbs rmll rob- robb robo robs roll rolm rolo romb romm romo roms roob rool room roor roos roro roso ross rrrr rsml rsos rssl s-os sbbs sbml sbor sllm slmm slob sloo slos slrs smls smol smos smss sobo sobr sobs soll solo solr sols somb soml somm somo sool soom soor soos sorb sorm soro sorr sors soso soss sros ssbr ssml ssrl ssrm ssrs sssb sssm ssss