42.251

regardless of how frequent or infrequent

frequent or sparse

it’s fine if it is common or uncommon

common or unique

doesn’t matter if it was regular or irregular

regular or special

notwithstanding it being recurrent or non-recurrent

notwithstanding its recurrence or non-recurrence

recurrent or episodic

prevalent or non-prevalent notwithstanding it requires attention

prevalent or rare

42.252

never mind it being familiar or unfamiliar

never mind its familiarity or unfamiliarity

familiar or strange

irrelevant it if were habitual or non-habitual

habitual or occasional

makes no difference if it will be perpetual or non-perpetual

perpetual or temporary

42.253

don’t really care about it being periodic or non-periodic

periodic or irregular

even though it were constant or inconstant

constant or capricious

irrelevant whether it was ordinary or unordinary

ordinary or fabulous

42.254

don’t care about it being persistent or non-persistent

persistent or transient

despite it being conventional or unconventional

conventional or revolutionary

even if it were ubiquitous or non-ubiquitous

ubiquitous or sporadic

42.255

regardless whether he was accustomed or unaccustomed

accustomed or inexperienced

its being monotonous or non-monotonous plays no role

monotonous or intriguing

irrespectively of it being repeated or unrepeated

independent of it being repeated or intermittent

it hardly matters if it is chronic or non-chronic

chronic or acute

Audio credits: kennysvoice