-up b-p b-u bbb bbn bbp bbr bbu bby bnb bnn bnp bnr bnu bpb bpn bpp bpr bpu bpy brb brn brp brr bru bry bub bun bup bur buu buy by- byn byp byr byu nbb nbn nbp nbr nbu nnb nnn nnp nnu npb npn npp npr npu nrb nrn nrp nrr nru nry nub nun nup nur nuu nuy nyn nyp nyu nyy p-p pbb pbn pbp pbr pbu pby pn- pnb pnn pnp pnr pnu pny ppb ppn ppp ppr ppu prb prn prp prr pru pry pub pun pup pur puu puy py- pyb pyn pyr pyu rbb rbn rbp rbr rbu rnb rnn rnp rnr rnu rny rpb rpn rpp rpr rpu rrb rrn rrp rrr rru rub run rup rur ruu ruy ry- ryn ryr ryu ryy ubb ubn ubp ubr ubu uby un- unb unn unp unr unu uny up- upb upn upp upr upu ur- urb urn urp urr uru ury uun uur uuu uyu ybp ybr yby ynn ynp ynu yny ypu yrn yrp yru yun yup yur yuu yuy yyb yyu yyy

bbbb bbpr bnpp bnrr brrr brun brup bry- bryn bubb bubu bunb bunn bunu bur- burb burn burp burr buru bury buyu byrn byun n-up nbpp nnnn nnpr nrpn nuby nunn nuny nurn nurp nurr nuru nyny nyrb pnpp pnup pppn pppp ppru ppur prnp pruu pubu punu puny pupu pupy pur- purb purp purr puru pury puy- pyn- pypy pyr- pyry rbbb rbbr rnbr rppn rrrr rrun rubb rubp rubu ruby runn runy rupp rupy rurp ruru ruun rybp rynn ryun u-rp upby upnp uppp uppu uppy upup urry urun urup urur uryn uuuu uuyn ybry yrun yryn yubu yuny yurn yury yuyu yyyy

brrrr brunn bruun brynn bryyn bubby bubry bunny bunun bunyu burn- burny burpy burru burry burun buryn buyup by-by n-p-n nu-nu nubby nunny nunry nunun nupur nurry nurun p-n-p prun- pryup pubby punbb punny puppy purry pynn- pynun pypyn rubby rubup runby runny runup ruppy rybny unbyn unnun unnur unrun unryu unurn up-by uprun urubu uryu uryuu uuuuu ypbpr yunyu yuppy

bbbbbb brubru bububu burbur burnby burnup burrup burryn by-run nurpur pppppp pubnub punpun purpur purpyr rub-up run-up unburn unbury uruppu yru-up yubnub

bbbbbbb bunbury burn-up burnpur y-pr-pb

bbbbbbbb buruburu byrynnyn

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