THIOFURAN

ah ai an ar at fa ha hi ho if in it na no nu of oh oi on or ta ti to uh un ut

aft ahi ain air ait ani ant arf art fan far fat fin fir fit foh fon for fou fro fun fur hao hat hin hit hon hot hun hut ion nah nit noh nor not nth nut oaf oar oat oft ora ort our out rah rai ran rat rho ria rif rin rot run rut tan tao tar tau tho tin ton tor tui tun urn uta

airn airt anti aunt auto fain fair fano faro fart faun fiar fiat fino firn fohn foin font fora fort four frat frit haft hair hant hart haut hint hoar hora horn hour hunt hurt info inro into iota iron naif naoi noir nori nota oath ohia raft rain rani rant rath rato rift riot roan rota roti rout ruin runt ruth tahr tain tarn taro than thin thio thir thou thro thru tiro tofu tora tori torn tour trio tufa tuna turf turn unai unit unto