polly:DeleteLexicon;Write
polly:DescribeVoices;List
polly:GetLexicon;Read
polly:GetSpeechSynthesisTask;Read
polly:ListLexicons;List
polly:ListSpeechSynthesisTasks;List
polly:PutLexicon;Write
polly:StartSpeechSynthesisTask;Write
polly:SynthesizeSpeech;Read