( in the following passage my father seems at first to have written : 'earendel ... ... .. oarni builded wingilot and set forth in search of ... . leaving voronwe with elwing ' , where the first lacuna perhaps said 'with the aid of ' , though nothing is now visible ; but then he wrote 'earendel built swanwing ' , and then partly erased the passage : it is impossible to see now what his intention was . )