NONSPIRAL

ai al an ar as in is la li lo na no oi on op or os pa pi si so

ail ain air ais alp als ani apo ars asp inn ins ion lap lar las lin lip lis lop nan nap nil nip nor nos oar oil ons ops ora ors pal pan par pas pia pin pis poi pol pro psi rai ran rap ras ria rin rip sal sap sin sip sir sol son sop spa sri

ails ains airn airs alps also anil anis anon apos aril inns inro ions iron lain lair laps lari lars liar linn lino lins lion lipa lips lira lisp loan loin lops lorn nail nans naoi naos naps nils nipa nips noil noir nona nori oars oils opal oral osar pail pain pair pals pans pars pial pian pias pina pins pion pirn piso plan pois pols pons porn prao proa pros rail rain rais rani raps rasp rial rias rins rips roan roil sail sain salp sari sial silo slap slip slop snap snip soap soar soil sola soli sora sori sorn span spar spin