PHOTOLYSIS

hi ho is it li lo oh oi op os oy pi sh si so ti to yo

hip his hit hop hos hot hoy hyp its lip lis lit loo lop lot oho ohs oil ooh oot ops opt phi pht pis pit ply poh poi pol poo pot psi pst shy sip sis sit sly sol sop sos sot soy spy sty tho thy til tip tis too top toy yip

hilt hips hiss hist hits holp hols holt holy hoop hoot hops host hots hoys hypo hyps lips lisp list lits loop loos loot lops loss lost loth loti lots oils oily olio oohs oops oots opts phis phot pily pish piso piss pith pits pity plot ploy pois polo pols poly pooh pool poos posh post posy pots psis psst ship shit shoo shop shot silo silt sips sith sits slip slit slop slot soil soli solo sols soot soph sops soth sots soys spit spot stop syli syph thio this tils tips toil tool toph topi topo tops tosh toss toyo toys typo yips