DITHERIEST

de ed eh er es et he hi id is it re sh si ti

dee die dis dit edh eds ere ers eth her hes het hid hie his hit ids ire its red ree rei res ret rid see sei ser set she sir sit sri ted tee tet the tie tis tit

deer dees deet dere dies diet dire dirt dish dite dits dree edhs edit eide erst eths heed heir herd here hers hest hets hide hied hies hire hist hits ides ired ires irid iris rede reds reed rees reis resh rest rete rets ride rids rise rite seed seer sere sett shed shit shri side sidh sire site sith stet stir teds teed tees test teth tets thee thir this tide tied tier ties tire titi tits tree tres tret