1. たんきてつどう   sailboat   airliner   raft   monorail   Hint Half-n-half Clue   2. ていきりょきゃくき   sailboat   airliner   monorail   streetcar, tram   Half-n-half Clue   3. ろめんでんしゃ   airliner   subway   sailboat   streetcar, tram   Half-n-half Clue   4. はんせん   subway   airliner   sailboat   streetcar, tram   Half-n-half Clue   5. いかだ   raft   airliner   streetcar, tram   sailboat   Half-n-half Clue   6. ちかてつ   subway   airliner   monorail   sailboat   Half-n-half Clue