bbb bbo bbr bbs bob boo bor bos boz brb bro brr brs brz bsb bso bsr bss bzo bzr bzs bzz ob- obb obo obr obs oo- oob ooo oor oos or- orb oro orr ors orz os- osb oso osr oss ozo ozs ozz rbb rbo rbr rbs rob roo ror ros roz rrb rrr rrs rsb rso rsr rss rzb rzo sbb sbo sbr sbs sob soo sor sos soz sr- srb sro srr srs ss- ssb sso ssr sss ssz szr zbb zbr zbs zo- zob zoo zor zos zro zrs zsz zzr zzs zzz

bbbb bbbs bobb bobo bobs boob boor boos booz bor- boro borr bors borz boso boss bozo brob broo bror bros broz brrr brrs brsb brsr bsos bzzz obbo obor obos obro obsr obss oooo ooos orbb orbo orbs oro- oror oros oroz orro orrs orso orzo osoo osor osos osro ossb osso rbbb rbbr rbbs rbss rob- robb robo robs roob roor roos rooz roro roso ross rozz rrrr rsos s-os sbbs sbor sobo sobr sobs soor soos sorb soro sorr sors soso soss soz- sros ssbr ssrs sssb ssss szob szss z-ro zobo zoo- zoos zorb zoro zors zoso zoss zozo zsss zzzs zzzz

bo-bo bobos bobr boobs boors borbo boro- boroo boros borro bosor bosso bozoo bozos brobo brobs broos bross brrrr o-r-b oboro obzor ooooo orobo oroso orosz orzos ososo ossos ozoro ro-ro robbo robbs robo- robor rosso rosss s-o-r so-so sobor sorbo sorbs soror soros sorso soss- sozo- sssrb sssss zobos zorbo zorro zzzzz

bbbbbb bobbos booboo borbor bororo bososo brosso obsorb oooooo rososz sobos soosoo sorors sorsor zoozoo zorros zorzor

bbbbbbb bobross boo-boo booboos oroboro rozborz sssssss zoozoos

bbbbbbbb bo-bo-bo bobobobs

borborbor

bobbobbobs

bbbbbbbbbbbbbbb bzzzzzzzzzzzzzz