Level Taxing Mayhem:

Level 1: fzbmd squmd
Level 2: gdhkp hzjsg
Level 3: jlbdf sfbkf
Level 4: khhkp qdjtg
Level 5: bfbgh vkbcr
Level 6: hmjcb kmjms
Level 7: ktbwq vybyr
Level 8: lqjcb sxjjt
Level 9: yhbvh pnbxj
Level 10: zlhxs jmjwf
Level 11: ctbrj trbmd
Level 12: dqhxs rqjwf
Level 13: vmbtr rsbln
Level 14: bghpw gvsvp
Level 15: dnbjm wlbcr
Level 16: fkhpw tksms
Level 17: jfbjd gdbcv
Level 18: kjhlp vmjjl
Level 19: mqbff gsbyj
Level 20: nmhlp drjjl
Level 21: fkbnh ppbsm
Level 22: lrjdb drslp
Level 23: nybxq pdbqn
Level 24: pvjdb mcjzp
Level 25: cnbwh jsbnf
Level 26: drhys cgjpk
Level 27: bybsj nlbfj
Level 28: hvhys lkjpk
Level 29: yrbvr lmbds
Level 30: lrhsw znjnt