Shen Wenlin says to YSITD
huo_huo kuo_kuo luo_luo muo_muo nuo_nuo puo_puo suo_suo tuo_tuo vuo_vuo wuo_wuo zuo_zuo ba_ba da_da fa_fa ga_ga ha_ha ia_ia ja_ja ka_ka la_la ma_ma na_na pa_pa qa_qa sa_sa ta_ta va_va wa_wa za_za bia_bia dia_dia fia_fia gia_gia hia_hia jia_jia kia_kia lia_lia mia_mia nia_nia pia_pia sia_sia tia_tia via_via wia_wia zia_zia bru_bru dru_dru fru_fru gru_gru hru_hru jru_jru kru_kru lru_lru mru_mru nru_nru pru_pru qru_qru sru_sru tru_tru vru_vru wru_wru zru_zru chu_chu bre_bre dre_dre free_free gre_gre kre_kre mre_mre pre_pre bew_bew dew_dew few_few few_few hew_hew jew_jew kew_kew lew_lew mew_mew new_new pew_pew sew_sew tew_tew view_view zew_zew hmm umm bam_bam brain_brain dan_dan fan_fan gain_gain ham_ham can_can lan_lan man_man nan_nan pen_pen ran_ran vam_vam yam_yan zam_zam burn_burn durn_durn furn_furn gurn_gurn hurn_hurn kurn_kurn learn_learm murn_murn nurn_nurn purn_purn surn_surn turn_turn vurn_vurn wurn_wurn yurn_yurn zurn_zurn