5' end 5-O 5-hitter 5-hydroxy-3-methylglutaryl-coenzyme A reductase 5-hydroxytryptamine 5-membered 5-methoxy-dimethyltryptamine 5-second delay 5-second delays 5-star
| 50+ 50-50 50-gon 5000 metres 500th 506U78 (current term) 50s 50th 51 percent 540s
| 55th 5B 5H 5NF 5S 5 o'clock shadow 5 o'clock shadows 5 o'clock traffic 5 second delay 5th
|