bert, berte, bertz, birt, burt, burts, burtt

baity, batey, batie, battey, batty, baty, beatie, beattie, beatty, beaty, bergey, berkey, berney, bernie, berny, berta, bertke, bette, betti, betty, beury, bhatti, birdie, birdy, birkey, birky, birley, birney, birnie, birtley, bitty, bootie, booty, burby, burgee, burgy, burkey, burley, burly, burney, burpee, burry, bursey, dirty, gertie, gerty, mirti, murty, purtee, bertie