MICROPOROSITY

is it mi mo my oi om op or os oy pi si so ti to yo

cis coo cop cor cos cot coy cry icy imp ism its mic mir mis moc moo mop mor mos mot myc oms oot ops opt orc ors ort pic pis pit poi pom poo pot pro pry psi pst rim rip roc rom rot sic sim sip sir sit som sop sot soy spy sri sty tic tip tis tom too top tor toy try yip yom

cist city coir comp coop coos coot cops copy corm cors cory cost cosy cots coys cris crit crop cyst impi imps iris mics mips miri mirs miry miso mist mity mocs moor moos moot mops mopy mors mort most mots mycs omit oops oots opts orcs orts otic pics piso pits pity poco pois pomo poms poor poos port post posy pots prim prom pros pyic pyro rims rimy riot rips rocs romp roms room root ropy rosy roti roto rots ryot scop scot scry simp smit soot sori sort spic spit spot spry stir stop tics tipi tips tiro toms toom topi topo tops torc tori toro torr tors tory toyo toys trim trio trip trop troy typo tyro yips yirr