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