+ [ "ltpss_sn ( ? β’ βΆ*[?,?] ? )" "ltpss_sn_ldrop" "ltpss_sn_tps" "ltpss_sn_tpss" "ltpss_sn_ltpss_sn" "ltpss_sn_alt ( ? β’ βΆβΆ*[?,?] ? )" * ]
+ [ "ltpss_dx ( ? βΆ*[?,?] ? )" "ltpss_dx_ldrop" "ltpss_dx_tps" "ltpss_dx_tpss" "ltpss_dx_ltpss_dx" * ]