4)truth follows west
7)night before a row
11)acquire swallows right to lead vulgar
12)mix dinner and boron
15)barium with rip in middle
16)indefinite article+head signal completely reversed
17)noble of Rome less north
20)joyfulness loses inside trader initially
21)sounds like top storey follows backward sheep
22)temperate changes last direction to follow iodine
23)bay tree loses Spanish but gains first
25)time-spans swallows north
26)domestic add decay and greeting
28)a double male
29)insect swallows iodine