INTROSUCTION

in is it no nu oi on or os si so ti to un us ut

cis con coo cor cos cot cru cur cut inn ins ion its nit noo nor nos not nun nus nut ono ons oot orc ors ort our out rin roc rot run rut sic sin sir sit son sot sou sri sun tic tin tis tit ton too tor tot tui tun tut uns urn uts

cion cist coin coir coni conn cons coon coos coot corn cors cost cots cris crit crus cunt curn curs curt cuts icon inns inro inti into ions iris iron nisi nits noir noon nori noun nous nuns nuts onos onto onus oots orcs orts otic otto ours oust outs rins riot rocs root roti roto rots rout ruin runs runt rust ruts scot scut snit snot soon soot sori sorn sort sour stir stot stun suit sunn tics tins tint tiro titi tits toit tons toon toot torc tori torn toro tors tort tost tots tour tout trio trot tuis tuns turn tuts unci unco unit unto uric urns