single survivor single suspect single swing single switch single sword single syllable single system single table single tablet single take single taken single tank single tap single target single tariff single task single tax single teacher single team single tear single technical single technology single telephone single temperature single tenant single term single terminal single terrorist single test single text single theme single theory single thing single thing i single thought single thread single threshold single ticket single tickets single tier single time single time i single time i have single tiny single title single tone single tool single tooth single top single topic single torpedo single touch single tourist single tournament single tower single town single trace single track single tracks single trade single train single training single transaction single transducer single transfer single transferable single transferable vote single transistor single transmission single transmitter single transport single traveler single travelers single traveller single travellers single treatment single tree single trial single trip single truck single truth single tube single tumor single tunnel single turbine single turn single tweet single type single undertaking single unified single uniform single unique single unit single units single universal single use single use double single use medical devices single use plastic