It's easiest to just open one of the starter mods to check out the hak order, here is the order of the various starter mods followed by a description of each hak.
Note: This info may be slightly out of date since there was a ton of new content added since v2.2 initially released.
cepv22_Starter.modcep2_top_v22
cep2_add_phenos5
cep2_add_phenos4
cep2_add_phenos3
cep2_add_phenos2
cep2_add_phenos1
cep2_add_sb_v1
cep2_core6
cep2_core5
cep2_core4
cep2_core3
cep2_core2
cep2_core1
cep2_core0
cep2_crp
cep2_crp_s
cepv22_Builder.modcep2_top_v22
cep2_add_phenos5
cep2_add_phenos4
cep2_add_phenos3
cep2_add_phenos2
cep2_add_phenos1
cep2_add_sb_v1
cep2_add_tiles1
cep2_add_doors
cep2_core6
cep2_core5
cep2_core4
cep2_core3
cep2_core2
cep2_core1
cep2_core0
cep2_crp
cep2_crp_s
cepv22_crp_Starter.modcep2_top_v22
cep2_add_phenos5
cep2_add_phenos4
cep2_add_phenos3
cep2_add_phenos2
cep2_add_phenos1
cep2_add_sb_v1
cep2_core6
cep2_core5
cep2_core4
cep2_core3
cep2_core2
cep2_core1
cep2_core0
cep2_crp
cep2_crp_s
cep2_add_doors
cep_craft.erf - dialog for the radial menu cep crafting system - must import this to have this work.
cep_tilesets.txt - Description of CEP v2.2 tileset extension
cep2_add_doors.hak - Generic doors
cep2_add_phenos1.hak - Phenos for riding and flying
cep2_add_phenos2.hak
cep2_add_phenos3.hak
cep2_add_phenos4.hak
cep2_add_phenos5.hakcep2_add_sb_v1.erf - Editable CEP scripts/blueprints (do not use with .hak of the same name)
cep2_add_sb_v1.hak - CEP scripts/blueprints (do not use with .erf of the same name)
cep2_add_tiles.hak - Out of date tilesets (used for CEP v2.0 compatibility)
cep2_add_tiles1.hak - Tilesets (separate from Bioware tilesets)
cep2_build.hak - Placeable blueprints (remove after copying the blueprints you want to avoid DM Client crash)
cep2_core0.hak - CEP content
cep2_core1.hak
cep2_core2.hak
cep2_core3.hak
cep2_core4.hak
cep2_core5.hak
cep2_core6.hakcep2_crp.hak - CRAP content
cep2_crp_s.hak - CRAP scripts
cep2_custom.hak - Empty hak used for server side scripts/blueprints
cep2_ext_tiles.hak - Tilesets (overwriting Bioware tilesets)
cep2_top_v1.hak - CEP v2.0 top hak (used for CEP v2.0 compatibility)
cep2_top_v21.hak - CEP v2.1 top hak (used for CEP v2.1 compatibility)
cep2_top_v22.hak - .2da files
cep2_v1.tlk - CEP v2.0 .tlk (used for CEP v2.0 compatibility)
cep21_v1.tlk - CEP v2.1 .tlk (used for CEP v2.1 compatibility)
cep22_v1.tlk - Current .tlk
cepv22_Builder.mod - Starter mod for builders
cepv22_crp_Starter.mod - Starter mod for CRAP
cepv22_Starter.mod - Starter mod for players
CRAP.pdf - CRAP docs