I suspect BOAT is the answer, though don't quote me as a certain Mr Nixon used to say! While here can I say hello to you all espech Jerry, us old buggerrrrrs got to stick together, please have a great new year if you have not already had an excellent xmas (loads of solving tools in Santas sack eh?) Well cheer up and lets have many more guys and gals ( my night for quotes; I'm wooing a lady with quotes from Shakespeare, you ignorant ones would have been a lot more to the point and quicker I'm sure! (and ruder!).
Every best wish and happiness.
Royston. (xxxxx girls only!!!)