abas abba abbi abbo abes abis abos aias aioi asab asas ases asia asos baba babe babi babo basa base basi bass bebe beis beos besa besi biba bibb bibe bibi bibü bise bisi bisü boba bobo bosb bübü easa ebas ebbe ebee ebes ebis ebob eboo esab esas eses essi ibbs ibis isis issi obba obbi obsa obüs oise ossa saab saba sabi sabo saoi sass seba sebe seeb seia sesi sibe sibi sisi soba sobe sosa sübe sübü süse