-up b-p b-u bbb bbn bbp bbr bbu bnb bnn bnp bnr bnu bpb bpn bpp bpr bpu brb brn brp brr bru bub bun bup bur buu nbb nbn nbp nbr nbu nnb nnn nnp nnu npb npn npp npr npu nrb nrn nrp nrr nru nub nun nup nur nuu p-p pbb pbn pbp pbr pbu pn- pnb pnn pnp pnr pnu ppb ppn ppp ppr ppu prb prn prp prr pru pub pun pup pur puu rbb rbn rbp rbr rbu rnb rnn rnp rnr rnu rpb rpn rpp rpr rpu rrb rrn rrp rrr rru rub run rup rur ruu ubb ubn ubp ubr ubu un- unb unn unp unr unu up- upb upn upp upr upu ur- urb urn urp urr uru uun uur uuu

bbbb bbpr bnpp bnrr brrr brun brup bubb bubu bunb bunn bunu bur- burb burn burp burr buru n-up nbpp nnnn nnpr nrpn nunn nurn nurp nurr nuru pnpp pnup pppn pppp ppru ppur prnp pruu pubu punu pupu pur- purb purp purr puru rbbb rbbr rnbr rppn rrrr rrun rubb rubp rubu runn rupp rurp ruru ruun u-rp upnp uppp uppu upup urun urup urur uuuu

brrrr brunn bruun bunun burn- burru burun n-p-n nu-nu nunun nupur nurun p-n-p prun- punbb rubup runup unnun unnur unrun unurn uprun urubu uuuuu

bbbbbb brubru bububu burbur burnup burrup nurpur pppppp pubnub punpun purpur rub-up run-up unburn uruppu

bbbbbbb burn-up

bbbbbbbb buruburu

runrunrun

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