source: [lemma=voice | □=□] □
destination: [lemma=voice | lemma=□] □
spec: Note that to examine a different scan , you must click on the previous scan number again to `` unset '' it ; otherwise there will be two scans selected and the tool will complain ( multiple scans can be selected for producing an AAR within mask_inter , but only one scan can be displayed at a time ) . His is the archetypal voice : sage , preacher , scribe , storyteller , wit .