b-u bbb bbc bbk bbr bbu bcb bcc bck bcr bcu bkb bkc bkk bkr brb brk brr bru bub buc buk bur buu c-- cbb cbc cbk cbr cbu ccb ccc cck ccr ccu ckb ckc crb crc crk crr cru cub cuc cuk cur cuu kbb kbc kbk kbr kbu kcb kcc kck kcr kcu kkb kkc kkk kkr kku krc krk krr kru kub kuc kuk kur kuu rbb rbc rbk rbr rbu rcb rcc rcr rcu rkb rkc rkk rku rrb rrc rrk rrr rru rub ruc ruk rur ruu ubb ubc ubk ubr ubu ucb ucc uck ucr ucu ukb ukc ukk ukr uku ur- urb urc urk urr uru uuc uur uuu

bbbb bbrc bcbc bccc bcru bcuc brcb brkb brrr bruc bubb bubu bucc buck bucu bukk buku bur- burb burk burr buru cbbc cbcc cbcr cbcu cbkr ccbc cccb cccc cccu ccrc ccuc ckbc ckck ckrc crbc crbu crcc crcr crkc crub cruk cub- cubb cucc cuck cuk- curb curr kbbb kbbc kbbk kbbr kbbu kbcb kbck kbcr kbcu kbkb kbkk kbkr kbrb kbrc kbrk kbru kbub kbuc kbuk kbur kbuu kcbc kcbk kcbr kcbu kccb kccc kcck kccr kccu kckc kckk kckr kcrc kcrr kcru kcub kcuk kkbb kkbr kkcb kkck kkcr kkkk kkrb kkrc kkrk kkrr kkuu krbb krbk krbr krcb krcc krcu krkc krkk krkr krku krrb krrc krrk krrr kruc kruk krur kubb kubc kubr kubu kucb kucc kucr kukk kuku kurb kurk kurr kuru kuub kuuk kuur kuuu rbbb rbbr rcbc rccb rccc rrrr rubb rubu ruck rukk ruku rurc ruru ucbc ucrc ukcc ukrc ukur uruk urur uuuu

b-r-k brrrr bucku bucur bukk- burck burcu burru buruc buruk ccccc cruck cubub cucuk kucuk kukur kurbu kurku kuruc kuruk urubu urucu uuuuu

bbbbbb brubru bububu bukkur bukuru burbur buruku cucurb kurkcu kururu

bbbbbbb cubukcu

bbbbbbbb buckbuck buruburu cucurucu curucucu kukukuku kukuruku kuruburu kurukuru

kukkurukuu

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