大

https://youtube.com/watch?v=VCFh3CBF1Hc

chi

https://youtube.com/watch?v=eujV2M2zDoI

し

https://youtube.com/shorts/WVdwBS7btQA?feature=share

た

https://youtube.com/shorts/TzqUQVy-g_M?feature=share

speak

https://youtube.com/watch?v=ooaEwO4ZCws