I like how another poster broke it down to his go tos for each point of contact.
Lead hand: I've stunned and KOd with jabs but I think my traditional short lead hook, long lead hook, and sambo whip --or casting whichever one is the straight arm side swipe as opposed to the sambo overhand-- those punches are my lead hands money punches aside from the traditional elbow.
Rear: My rear straights and cross counters have alot of weight, and I always train rear uppercut spamming due to Tyson's famous consecutive rear uppercuts ability. Another reason I do that is because I love hooking or throwing a jab or straight and instead of bringing my hand back just getting my opponent into the single collar and unloading. I catch EVERYONE with my single collar attempts to rear uppercut spam.
Single Collar to uppercuts is probably my most efficient, but straight right/cross counter or overhand most powerful along with my rear elbow.
Lead Leg: no switch & switch kicks to the leg, switch kick to the body, jumping switch kick to the body, & spinning back kick to the body. Stepping & Intercepting Knee. Aside from counter knees,the switch & jumping switch kick to the body are probably the most efficient but spinning back most powerful.
Rear Leg: Roundhouse to leg body or head, jumping rear switch roundhouses, teep to the body, spinning back kick to body, turning (in) sidekick. Jon Jones's "Oblique" kicks to the lower thigh (knee only in fight) and I like to use it to the body,it works very well as an intercepting strike. Intercepting Knee. Stepping Knee.
My roundhouses, teep and spinning back kick all the way are the most powerful. Knees rule too, but when I'm close enough to do knees I usually have them in SCT and am all uppercut happy. I save the knees for MTP.
I think it's mostly my timing & length, I'm only just over or just under 6 flat yet my reach is 80+ finger tip to finger tip. Aside from my striking signatures, I like adding submissions to my game because my goal is to always be able to chain every sub in my arsenal. I think that's my most efficient weapon, I'm a powerful, durable & fast striker with good timing but I think my submission offense is just naturally fluid & on point.
I had to work over half a decade to get my striking, but grappling (specifically jiu jitsu & catch) comes naturally to me and I was subbing purple belts and over my first half year of training.