siris siriu sirsi sirur sisil sisis sisli sissi sissu siuri siuru siusi slish sliss slubs sluis slurb slurs slush sluss ssbul sssrb ssssh sssss subbu subis subli subss suhur suibu sulis sulli sulls sulur sulus surbl surir suris suruh surui surul surur surus sushi susil susus ubirr ubisi ubris uh-uh uhhuh uhuhs uhuru uibis ullur ululu uluru urbis urris urshu ursus urubu uruli ururi urusi ushis ushus usuli ususi uusis uuuuu

bbbbbb bibiri bibiru biblis biblus bilbul biribi birrus bissh- bissli blublu bluish blurbs bribir bribri briish brills brisil brubru bruill bububu buhusi bulbil bulbul bulbus bullir bullis bullsh bulusu burbur burris bururi bushsr bussh- busshi hibhib hilili hillir hillis hillul hubbub hubris hubrus hububb huh-uh huishu hullur huluhu hulusi hurius hushih husulu ibilib ibliss iblush illish ishibu isurus libbis libris librul libusb lilius lillis lilliu liluri lishui liulis liushi llubi lubiri lubish lubuli lullus lurulu lushui ribbis ribhus ribisi rishis rubish ruhubi russus sbirri shibli shibui shihhi shills shirls shirrs shirui shirur shishi shisui shiurs shlubs shrill shrubs shshsh shuibu shursh shusui sihuli siiiii silili silius sillub siriri sirius sirris sirsir sishui sisisi sisulu slubbi subisu suburb suburi sulili surhul surili sushil sushis susulu susurr ubussu uh-huh uhhuhs urushi usbhub usiris ussuri

bbbbbbb bibulus billibi billiri bislish bissibi bissill bissiri blissus brihiri brussh- bulbils bulbuls bulilis bullish bulrush burrill burruss bursill buruuli bushihr busiris hillish hub-bub hubbubs hur-bur hurhuri hurrish ihururu ilbisil isbliss libruls lulibub lullubi lushish lushius rhibhus rishiri risshu rubbish rubrish rushurs shibiri shibuli shilluh shirish shirshi shishir shrills shuishu sibilus sibiril silurus sirrush slushii sssssss subsill suburbs suillus suiriri surhuri surilis susulus uriburu ursulus usurbil

bbbbbbbb bilbilis bilibili billi-bi birillus bubblish buhlbuhl bullrush buruburu hurr-bur hushhush i-ii-iii ibisbill iblul-il illbliss rushrush shibushi siburius silisili sillibub subshrub suhurlui sullibib sussurus susurrus uh-uh-uh ushishir

hurr-burr hush-hush ibisbills irishbull issisisis rissillis rush-bush rusibisir shrillish shrubbish sisillius subshrubs

blushbrush shu-ilishu

shush-shush

sh-h-h-h-h-h

bbbbbbbbbbbbbbb billsbillsbills shhhhhhhhhhhhhh shishishishishi

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