OSTEND

de do ed en es et ne no od oe on os so to

den doe don dos dot eds end ens eon net nod nos not ode ods oes one ons ose sen set sod son sot ted ten tod toe ton

dens dent does done dons dose dost dote dots ends eons nest nets node nods noes nose note odes ones send sent sned snot sone teds tend tens tods toed toes tone tons