TOUGHENING

eh en et go he hi ho in it ne no nu oe oh oi on ti to uh un ut

egg ego eng eon eth gen get ghi gie gig gin git gnu got gun gut hen het hie hin hit hoe hog hon hot hue hug hun hut igg inn ion neg net nit nog noh not nth nun nut one out teg ten the tho tie tin toe tog ton tug tui tun ugh ute

etui gent genu gien gite gone gong goth gout hent hint hogg hone hong huge hung hunt into neon nigh nine nite nogg none note noun tegg then thin thio thou thug tine ting tone tong tune tung unit unto