-ol bbb bbl bbo bbr blb bll blo blr blz bob bol boo bor boz brb brl bro brr brz bzo bzr bzz lbb lbl lbo lbr llb lll llo llr llz lob lol loo lor loz lrb lro lrr lrz lzo lzr ob- obb obl obo obr olb oll olo oo- oob ool ooo oor or- orb orl oro orr orz ozo ozz rbb rbl rbo rbr rll rlo rlr rob rol roo ror roz rrb rrl rrr rzb rzo zbb zbl zbr zlr zo- zob zol zoo zor zrl zro zzr zzz

bbbb bblb blob bloo bobb bobo boll bolo boob bool boor booz bor- boro borr borz bozo brob brol broo bror broz brrr bzzz lblr lboz llll lloo lob- lobb lobo loll lolo lolz loob lool loor looz loro lrrr obbo obol obor obro olbo ollo olor oolo oooo orbb orbo orlo oro- oror oroz orro orzo rbbb rbbr rob- robb robo roll rolo roob rool roor rooz roro rozz rrrr z-ro zobo zoll zolo zoo- zool zorb zoro zozo zzzz

bloor blorb bo-bo bobr boll- bollo borbo boro- boroo borro bozoo brobo broll brolo brool brrrr lobbo lobo- lobor lollo lolol o-r-b obolo oboro obzor ooooo orobo ozoro ro-ro robbo robo- robor rollo rollz zollo zorbo zorro zzzzz

b-roll bbbbbb bolbol bolbro bolobo bololo booboo borbor bororo lloro lobolo lolobo looloo oooooo orobol robolo rozzol zooloo zoozoo zorzor

bbbbbbb boo-boo bozzolo looroll lozzolo oroboro rozborz

bbbbbbbb bo-bo-bo oolooloo

bolo-bolo borborbor

bbbbbbbbbbbbbbb bzzzzzzzzzzzzzz