Help sexing new tegus

[antalyachameleons]

Hi everyone, this is my first experience with tegus.
Can you please help me sexing them ?!
Tegu 1

Tegu2

Tegu 3

 

[antalyachameleons]

Tegu 4

 

[antalyachameleons]

Tegu 5

 

[cihan yak]

looks like all female

 

[antalyachameleons]

Don't think so. İ hope Tegu 2&5 are males.Perhaps Tegu 4 to.
Waiting for professionel opinion.