UNDERTHINK

de ed eh en er et he hi id in it ki ne nu re ti uh un ut

den die din dit due duh dui dun edh end ern eth hen her het hid hie hin hit hue hun hut ink inn ire irk ken khi kid kin kir kit kue net nit nth nun nut red rei ret rid rin rue run rut ted ten the tie tin tui tun uke urd urn ute

deni dent diet dike dine dink dint dire dirk dirt dite drek duet duit duke dune dunk dunt dure durn edit etui heir hent herd hern hide hied hike hind hint hire hued hunk hunt hurt ired keir kent kern khet kier kind kine kirn kite kith knit knur kune nerd neuk nide nine nite nude nuke nurd rein rend rent ride rind rink rite rude rued ruin rune runt ruth tend tern then thin thir thru thud tide tied tier tike tine tire trek true tune turd turk turn unde unit