#aü

What does "aü" mean?
amature_united, artistz_united, artist_United, auditoria_ural, avtorynok_ug, arts_universe, artistic_unity_, artiforyou_ul, AcadiaUniversity, abisUN, AzUp, AMG_UNION, asasiUM, asasiUIA, AuburnUniversity, AdelphiUniversity, AbarthUK, AnonymousUser, all_ukraine, AucklandUni, artistic_unity, AkUp, All_up, Arte_Urbana, arsitektur_unik, AirportUnplugged, america_unlinited, autogespot_usa, autos_unlimited, anytownUSA

au 58119 audi 471152 auto 243041 aus 34369 australia 1340750 auf 27034 autumn 460103 autism 336035 austin 218630 austria 322469 aunt 48252 australianshepherdsofinstagram 15131 aura 59753 aussiesofinstagram 50838 authentic 284203 aussie 136375 author 142796 aula 19028 authenticonly 48538 audio 62746 autismawareness 133950 audemarspiguet 62142 authenticbag 35413 autos 24167 autop 22278 aunty 22259 aurora 67399 auntie 62166 austinmahone 47472 audreyhepburn 40163 automotive 83532 australian 53881 auguri 54273 autistic 96522 australianshepherd 90155 audir8 27567 autismawarenessmonth 28707 auroramakeup 38627 autismspeaks 37120 august 26408 auckland 90890 auction 38045 autismo 30603 austintx 54044 audizine 19506 autoshow 19438 aupair 17852 aurawhite 38602 autogespot 75142 aupairlife 19517 augusta 22566 australiagram 72766 australiancattledog 25128 authors 20678 australianmade 32044