itsy-bitsy/ˌitsi ʹbitsi/ itty-bitty /ˌiti ʹbiti/ adj

• a trifle
• at right angles
• a trip/walk down memory lane
• at risk
• atrium
• atrocious
• atrocity
• atrophy
• atropine
• at sea
• at second hand
• at sixes and sevens
• at somebody's back
• at somebody's beck and call
• at somebody's expense
• at somebody's (own) risk
• at source
• at speed
• at stake
• att.
• attaboy
• attach
• attached
• attachment
• attaché