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bbbb bbeb bebb bebe beeb beer bere berr beru beur breb bree brer brrr brue bubb bube bubu buer bueu bur- burb bure burr buru ebbr eber ebru eeee erbb erbe ereb erer erre erub erur euer eur- eure rbbb rbbr rebb rebe rebu reeb rere reru reue reuu rrrr rubb rube rubu ruer rure ruru ubbe uber urbe ure- urre urur uuuu

bbbee be-er beber beebe berbe berre berru beuer beure brebu breer brere breu- brrrr bruer bubbe buber burru ebber ebure eeeee erbbe erber erere eurre rebbe reber reere rere- reree reuer rubee ruber ruere uber- urubu uuuuu

bbbbbb beebee berbee berber berere berrer berube beurre breere breuer brubru bruree bubber bububu burbur burree burrer eburru eebree erbree reuere rubbee rubber

bbbbbbb bebeeru berbere burbure

bbbbbbbb berebere buruburu

beebeebee

berberburr

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