HIDROTICS

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chid chis chit cist cods coir cord cors cosh cost cots cris crit dirt disc dish dits docs doit dors dost doth dots hist hits hods host hots ichs irid iris itch odic orcs orts otic rhos rich rids riot rocs rods roti rots scot shit shod shot shri sidh sith sord sori sort soth stir thio thir this thro tics tiro tods torc tori tors tosh trio trod