CONTRAPOSIT

ai an ar as at in is it na no oi on op or os pa pi si so ta ti to

act ain air ais ait ani ant apo apt arc ars art asp att can cap car cat cis con coo cop cor cos cot ins ion its nap nip nit noo nor nos not oar oat oca ono ons oot ops opt ora orc ors ort pac pan par pas pat pia pic pin pis pit poi poo pot pro psi pst rai ran rap ras rat ria rin rip roc rot sac sap sat sic sin sip sir sit son sop sot spa sri tan tao tap tar tas tat tic tin tip tis tit ton too top tor tot

acts ains airn airs airt aits anis anti ants apos arco arcs arts asci atop cain cans cant capo caps carn carp cars cart cast cats ciao cion cist coat coin coir coni cons coon coop coos coot cops corn cors cost cots crap cris crit crop icon inro into ions iota iron naoi naos naps narc nipa nips nits noir nori nota oars oast oats ocas onos onto oops oots opts orca orcs orts osar otic otto pacs pact pain pair pans pant pars part past pats pian pias pica pics pina pins pint pion pirn piso pita pits poco pois pons poon poor poos porn port post pots prao prat proa pros rain rais rani rant raps rapt rasp rato rats rias rins riot rips roan rocs root rota roti roto rots sain sari sati scan scar scat scop scot snap snip snit snot soap soar soca soon soot sora sori sorn sort span spar spat spic spin spit spot star stat stir stoa stop stot taco tact tain tans taos taps tarn taro tarp tars tart tats tics tins tint tips tiro tits toit tons toon toot topi topo tops tora torc tori torn toro tors tort tost tots trap trio trip trop trot tsar