-up b-p b-u bbb bbo bbp bbr bbu bob boo bop bor bou bpb bpo bpp bpr bpu brb bro brp brr bru bub buo bup bur buu ob- obb obo obp obr obu oo- oob ooo oop oor op- opb opo opp opr or- orb oro orp orr oru ou- ouo oup our p-p pbb pbo pbp pbr pbu pob poo pop por pou ppb ppo ppp ppr ppu prb pro prp prr pru pub pup pur puu rbb rbo rbp rbr rbu rob roo rop ror rou rpb rpo rpp rpr rpu rrb rrp rrr rru rub ruo rup rur ruu ubb ubo ubp ubr ubu uob uoo uop uor up- upb upo upp upr upu ur- urb uro urp urr uru uur uuu

bbbb bbpr bobb bobo bobu boob boop boor bopp bor- boro borr boru boup bour brob broo bror brou brrr brup bubb bubo bubu bur- burb buro burp burr buru obbo obor obro oooo opo- opor oppo orbb orbo orbu oro- oror orro orub orup our- ouro ouu- pobo poop poor pop- popo popp porb poro porr poup pour pppo pppp ppru ppur pro- prob proo prop prou pruu pubu pupu pur- purb puro purp purr puru rbbb rbbr rob- robb robo robu roob roop roor ropo roro roru roub roup rpob rrrr rubb rubp rubu rupp ruro rurp ruru u-rp ubbo uor- upor uppp uppu upup uro- uroo urpo urup urur uuuu

bo-bo bobr bobup booru borbo boro- boroo borou borro brobo brrrr buroo burro burru o-r-b oboro ooooo opobo orobo oruro ouoro po-po poopo popop poppo popup poro- porro porur probo proor prop- propp propr pubo- puppo puro- ro-ro robbo robo- robop robor robur rorbu rprop rubor rubup u-pop ubobo uroob urour urubu uuuuu

bbbbbb booboo borbor bororo boubou bourou brorup brubru bububu burbur burrup oooooo orrour poboru poopoo pop-up popopo poporo poppop poupou pppppp propup propur purpur rub-up rubro- uppoor upprop uruppu

bbbbbbb boo-boo bourrou oroboro poo-poo purpour robopop rubbour ububboo

bbbbbbbb bo-bo-bo broubrou buruburu poorpoor poroporo pourpour ubbubboo

borborbor

propuppropup

bbbbbbbbbbbbbbb