There are 20 Chinese tone pairs. Listening to words one after another with the same combination is a great way to learn and remember tone pairs. 
The pairs appear in this order 1-1 1-2 1-3 1-4 1-5;2-1;2-2... 5-5. 
 
As a reminder 
1 mā /2 má/ 3 mǎ/ 4 mà / 5 ma
<ul>
 <li>First Tone (Flat Tone) The first tone is made when your voice becomes higher and flatter. ...</li>
 <li>Second Tone (Rising Tone) The second tone is made with a rising voice. ...</li>
 <li>Third Tone (Dip Tone) ...</li>
 <li>Fourth Tone (Falling Tone) ...</li>
 <li>Fifth Tone (Neutral Tone)</li>
</ul>
Read the words written and also the unique "waveform" of the pronunciation which is also helpful in the video of this podcast available on YouTube channel.
https://www.youtube.com/c/RafaelHernandez1?sub_confirmation=1

The 58 Chinese Conjunctions CH and EN

Listen to all levels of HSK 1-6 Chinese1-6 words and samples of usage as well as common phrases. 
学子汉语
Straight to the point. Drill your Chinese listening skills while listening over and over. The perfect companion for the HSK1-6 vocabulary breakthrough handbooks.