Isaiah 6:2-4 Above him stood the seraphim: each one had six wings; with twain he covered his face, and with twain he covered his feet, and with twain he did fly.

ASV_Strongs⁽ⁱ⁾

2 H4605 Above H5975 him stood H8314 the seraphim: H259 each one H8337 had six H3671 wings; H8147 with twain H3680 he covered H6440 his face, H8147 and with twain H3680 he covered H7272 his feet, H8147 and with twain H5774 he did fly.

3 H7121 And one cried H559 unto another, and said, H6918 Holy, H6918 holy, H6918 holy, H3068 is Jehovah H6635 of hosts: H776 the whole earth H4393 is full H3519 of his glory.

4 H520 And the foundations H5592 of the thresholds H5128 shook H6963 at the voice H7121 of him that cried, H1004 and the house H4390 was filled H6227 with smoke.