NITROFURAN

ai an ar at fa if in it na no nu of oi on or ta ti to un ut

aft ain air ait ani ant arf art fan far fat fin fir fit fon for fou fro fun fur inn ion nan nit nor not nun nut oaf oar oat oft ora ort our out rai ran rat ria rif rin rot run rut tan tao tar tau tin ton tor tui tun urn uta

airn airt anon anti aunt auto fain fair fano faro fart faun fiar fiat fino firn foin font fora fort four frat frit info inro into iota iron naif naoi noir nona nori nota noun orra raft rain rani rant rato rift riot roan roar rota roti rout ruin runt tain tarn taro tiro tofu tora tori torn torr tour trio tufa tuna turf turn unai unit unto