b-u bbb bbc bbr bbu bby bcb bcc bcr bcu bcy brb brr bru bry bub buc bur buu buy by- byc byr byu c-- cbb cbc cbr cbu cby ccb ccc ccr ccu crb crc crr cru cry cub cuc cur cuu cuy cyb cyc cyr rbb rbc rbr rbu rcb rcc rcr rcu rrb rrc rrr rru rub ruc rur ruu ruy ry- ryc ryr ryu ryy ubb ubc ubr ubu uby ucb ucc ucr ucu ur- urb urc urr uru ury uuc uur uuu uyc uyu ybc ybr yby ycc ycu ycy yrc yru yur yuu yuy yyb yyc yyu yyy

bbbb bbrc bcbc bccc bcru bcuc brcb brrr bruc bry- bubb bubu bucc bucu bur- burb burr buru bury buyu cbbc cbcc cbcr cbcu cbry ccbc cccb cccc cccu ccrc ccuc crbc crbu crcc crcr crub cry- cryb cub- cubb cuby cucc curb curr cury cuy- cuyr cybb cybc cyc- cycb cycc cyy- cyyc rbbb rbbr rcbc rccb rccc rcyc rrrr rubb rubu ruby rurc ruru ucbc ucrc urcy urry urur uuuu ybry yccc yubu yury yuyu yyyy

brrrr bubby bubry bucur burcu burcy burru burry buruc by-by cc-by ccccc cubby cubub cucuy curby curry rubby urubu urucu uryu uryuu uuuuu ycbcr

bbbbbb brubru bububu burbur cucurb

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bbbbbbbb buruburu cucurucu curucucu

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bbbbbbbbbbbbbbb ccccccccccccccc