DORSIDUCT

do id is it od oi or os si so ti to us ut

cis cod cor cos cot cru cud cur cut did dis dit doc dor dos dot dud dui duo ids its odd ods orc ors ort oud our out rid roc rod rot rut sic sir sit sod sot sou sri tic tis tod tor tui udo urd uts

cist cods coir cord cors cost cots cris crit crud crus cuds curd curs curt cuts dido dirt disc dits docs doit dors dost dots dour duci duct duds duit duos duro dust odds odic orcs orts otic ouds ours oust outs rids riot rocs rods roti rots rout rudd rust ruts scot scud scut sord sori sort sour stir stud sudd suit surd tics tiro tods torc tori tors tour trio trod tuis turd udos urds uric