PROTANOPIAS

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

aas ain air ais ait ana ani ant apo app apt ars art asp ins ion its nap nip nit noo nor nos not oar oat ono ons oot ops opt ora ors ort pan pap par pas pat pia pin pip pis pit poi poo pop pot pro psi pst rai ran rap ras rat ria rin rip rot sap sat sin sip sir sit son sop sot spa sri tan tao tap tar tas tin tip tis ton too top tor

ains airn airs airt aits anas anis anoa ansa anta anti ants apos apps aria arts atap atop inro into ions iota iron naoi naos napa naps nipa nips nits noir nori nota oars oast oats onos onto oops oots opts orts osar pain pair pans pant papa paps para pars part past pats pian pias pina pins pint pion pips pirn piso pita pits pois pons poon poop poor poos pops porn port post pots prao prat proa prop pros raia rain rais rani rant raps rapt rasp rato rats rias rins riot rips roan root rota roti roto rots sain sari sati snap snip snit snot soap soar soon soot sora sori sorn sort span spar spat spin spit spot star stir stoa stop tain tans taos tapa taps tarn taro tarp tars tins tips tiro tons toon topi topo tops tora tori torn toro tors trap trio trip trop tsar