visited B|IH|Z|IH|T|IH|D V|I|Z|I|T|I|D B|I|Z|I|T|I|D V|IH|S|IH|T|IH|D B|IH|S|IH|T|IH|D V|I|S|I|T|I|D B|I|S|I|T|I|D V|IH|Z|IH|T|IH|JH B|IH|Z|IH|T|IH|JH V|I|Z|I|T|I|JH B|I|Z|I|T|I|JH V|IH|S|IH|T|IH|JH B|IH|S|IH|T|IH|JH V|I|S|I|T|I|JH B|I|S|I|T|I|JH