dug, crawled, embanked, burrow, spaghetti junction, castellated, concreted, metalled, slithered, trenched, squirrelled, emplaced, digged, mud dauber, corn borer moth, excavated, dynamited, sneaked, trapped, grouted, alpine glacier, cycled, kerbing, dormer window, shunted, garrotted, knifed, magicked, countermine, ventilation shaft, bulldozed, dragged, barricaded, encaged, latticed, disused, sectioned, herded, constructed, drie, infiltrated, chiltern hills, rabbit warren, scaped, escaped, smuggle, antarctic continent, vegetated, convex lens, pennine alps, penetrated, mined, clamber, pow camp, repoint, macadamized, carved, ferdinand de lesseps, slit trench, overhung, bricked, channel tunnel, fenced, relined, crossing, hid, encircled, anastomosing, mortaring, nullarbor plain, meuse river, encrusting, trundle, manoeuvring, amputates, buried, clawed, plowed, peering, mapped, rescued, gravelled, overlain, fosse way, decanted, mantling, stormed, holed, potholing, caged, plumbed, shinned, great barrier reef, stuccoed, scraped, overran, chased, thrashed, scudded, hewn, electrical conduction, spaded, tunneled, arched, covered, pillared, pocked, rugged, steepest, topped, vaulted, windy, abutting, cobbled, craggy, crenellated, fortified, insulated, ivied, malvern