bbbb bbbs bblb bbls blls blob blom bloo blss bobb bobo bobs boll bolm bolo bols bomb boms boob bool boom boos bosm boso boss bsms bsos bssm lbms lbos llbs llll llms lloo lmbo lmms lob- lobb lobo lobs loll lolo lols lomb lomm lomo loms loob lool loom loos loso loss lsso mbbs mbms mbsl mlss mmmm mmms mobb mobo mobs moll molo mols momo moms moob mool moos moso moss msmb msml msmm msms msol mssm obbo obls obol obos obss olbo ollo olmo olms olom olos ombo omo- omoo oolo ooms oooo ooos oslo osm- osmo osoo osos ossb osso s-os sbbs sbml sllm slmm slob sloo slos smls smol smos smss sobo sobs soll solo sols somb soml somm somo sool soom soos soso soss ssml sssb sssm ssss