Correct: bib, bab, bub, bob, beb , ib , ab, ub, ob, eb, bi!, ba!, bo!, bu!, be! , Beb, baB, Bib, BoB, buB!, Incorrect: did , dad , dud, dod, pep, dig, id , ad, ud, od, ed!, di !, da!, do!, de!, deD, Dad, dod!, did!, dud!,

B/D Reversal

由
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?