can someone recommend me yuri where the top is bigger than the bottom

To be honest, that's like 95% of yuri, click on any one and the top is guaranteed to be bigger than the bottom.

can i ask for the 5% tho

Unfortunately 95% of yuri is tall top, short bottom, 4% is where the couple are pretty much the same height, and only 1% is short top, tall bottom, should have specified better, sorry. :((

Anyway, here are some:
https://www.mangago.me/read-manga/partition/
https://www.mangago.me/read-manga/so_do_you_wanna_go_out_or/
https://www.mangago.me/read-manga/i_won_t_let_mistress_suck_my_blood/
https://www.mangago.me/read-manga/gwanggong_industrial_complex_barrel/
https://www.mangago.me/read-manga/can_t_defy_the_lonely_girl/ (side couple)
https://www.mangago.me/read-manga/onna_doushi_to_ka_arienai_deshou_to_iiharu_onna_no_ko_wo_hyakunichi_kan_de_tetteiteki_ni_otosu_yuri_no_ohanashi/ (side couple)
https://www.mangago.me/read-manga/all_s_nice/ (switch couple, so the shorter one tops AND bottoms; dub-con)
https://www.mangago.me/read-manga/toy_xx_box/ (BDSM)
https://www.mangago.me/read-manga/yoroizuka_san_wo_baburasetai/ (age gap)
https://www.mangago.me/read-manga/small_top_and_tall_bottom/ (one-shot)