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bbbb bbeb bebb bebe beeb beek beer beke bere berk berr beru beuk beur beze bezu breb bree brek brer brez brkb brrr brue bruz bubb bube bubu buer bueu buke bukk buku bur- burb bure burk burr buru burz buuz buze buzz bzer bzrk bzzz ebbr eber ebru ebur eeee eeke eeze ekeb ekek eker ekur erbb erbe ereb erer erez erke erre erub erur euer eur- eure ezek ezer ezuz kbbb kbbe kbbk kbbr kbbu kbbz kbeb kbee kbek kber kbez kbkb kbkk kbkr kbkz kbrb kbre kbrk kbru kbrz kbub kbue kbuk kbur kbuu kbuz kbze kbzu kbzz kebb kebe kebr kebu keek keer kekb keke keku ker- kerb kere kerk kerr keru kerz keur kezb keze kezr kezz kkbb kkbe kkbr kkbz kkez kkkk kkrb kkre kkrk kkrr kkrz kkuu kkzu kkzz krbb krbe krbk krbr krbz kreb kree krek kreu krez krke krkk krkr krku krkz krrb krre krrk krrr krrz krue kruk krur kruz krze krzk krzr krzz kubb kube kubr kubu kuek kueu kuke kukk kuku kurb kure kurk kurr kuru kurz kuub kuuk kuur kuuu kuuz kuze kuzu kuzz kzbb kzbe kzbk kzbr kzbz kzee kzer kzke kzkr kzkz kzrb kzrk kzrr kzrz kzue kzuu kzuz kzzb kzzk kzzr kzzz rbbb rbbr rebb rebe rebk rebu reeb reek reke rere reru reue reuk reuu reze rezu rrrr rubb rube rubu ruer ruez ruke rukk ruku rure ruru ruze ubbe ubek uber ukek ukeu ukur urbe ure- urke urre uruk urur uruz uuuu uzeb uzer zbek zber zebe zebu zeek zeke zekr zeku zerk zeze zrze zubr zubu zuke zukr zurb zurr zuru zuuk zuzu zzzz

b-r-k bbbee be-er bebek beber beebe beeke beez beker bekke berbe berek berk- berke berre berru berze beuer beure bezer brebu breek breer breke brere breu- breze brrrr bruer bruke bruzz bubbe buber buker bukk- burek burke burru buruk buzek buzuk buzzr ebber ebure eeeee ekker ekuku ekuru erbbe erber erere eruke eurre kebbe kebek keber keere kerek kerre kreek kreke kreuk kreuz kubek kuber kukur kurbu kurek kurku kurre kuruk kurze kuzbu rebbe reber reere reeze rekke rere- reree rerez reuer reuze rezek rubee ruber rubke ruere rukke uber- ubrez ukeke urker urubu uuuuu uzbek uzere zbure zebre zebub zerbe zerre zu-zu zubek zuber zubuk zuker zurek zzzzz

bbbbbb beebee beeker beerze beezer bekker berbee berber bereke berere berker berrer berube berzek beurre bezerk breere breeze brekke breuer brubru bruker bruree brzuze bubber bububu bukkur bukuru burbur burree burrer buruku buzzer eburru eebree erbree kebber keeker kerber kereru kerker kerkuk keuruu kreker krekez kubeer kukere kurree kururu rebuke reeker reubke reuere rubbee rubber rurkee ubrzez zeebee zekeze zezere

bbbbbbb bebeeru berbere berzerk bkerke brekker breuker burbure eerbeek erukkur kee-kee kreeker kreuzer kurkure rebuker rekeure zbereze

bbbbbbbb berebere berzbeke bezerker buruburu buurkerk buzzbuzz erezee kukukuku kukuruku kuruburu kurukuru rekeuere

beebeebee berzerker bukeerere keek-keek

berberburr kukkurukuu

buzzbuzzbuzz

buzz-buzz-buzz

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