BACKSTRIP

ab ai ar as at ba bi is it ka ki pa pi si ta ti

abs act air ais ait apt arb arc ark ars art ask asp bap bar bas bat bis bit bra cab cap car cat cis ick irk its kab kas kat kip kir kis kit pac par pas pat pia pic pis pit psi pst rai rap ras rat ria rib rip sab sac sap sat sib sic sip sir sit ska ski spa sri tab tap tar tas tic tip tis tsk

abri acts airs airt aits arbs arcs arks arts asci back bait baps bark bars bask bast bats bias birk bisk bits bras brat bris brit cabs caps carb cark carp cars cart cask cast cats cist crab crap crib cris crit ikat irks isba kabs kart kats kbar kips kirs kist kits kris pack pacs pact paik pair park pars part past pats pias pica pick pics pika pita pits prat rack rais raki raps rapt rasp rats rias ribs rick rips risk sack saki sari sark sati scab scar scat sick sika skat skip skit spar spat spic spik spit stab star stir tabs tack taps tarp tars task tick tics tips trap trip tsar