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1783101-1783200 most frequent sentences

periodic tables periodic technical periodic testing periodic training periodic updates periodic visits periodical periodical called periodical maintenance periodical press periodical publication periodical publications periodical publishing periodical reports periodically assess periodically check periodically checked periodically clean periodically evaluate periodically monitored periodically repeated periodically review periodically reviewed periodically send periodically thereafter periodically update periodically updated periodicals periodicals and newspapers periodicity periódico periodismo periodistas periodization periodontal periodontal disease periodontal disease can periodontal diseases periodontal health periodontal ligament periodontal pocket periodontal surgery periodontal treatment periodontics periodontist periodontitis periodontology periods periods also periods apply periods are also periods are not periods can periods do periods ending periods has periods have periods in history periods in the history periods longer periods may periods must periods not periods of activity periods of depression periods of development periods of drought periods of economic periods of employment periods of exposure periods of extreme periods of fasting periods of freezing periods of great periods of growth periods of heavy periods of high periods of history periods of inactivity periods of intense periods of less periods of life periods of light periods of low periods of one periods of peace periods of rain periods of rapid periods of remission periods of rest periods of severe periods of silence periods of sitting periods of sleep periods of snow periods of stress periods of the year periods of time periods of time can