RETROFITTING

ef en er et fe go if in it ne no oe of oi on or re ti to

eft ego eng eon erg ern err fen fer fet fie fig fin fir fit foe fog fon for fro gen get gie gin git gor got ion ire neg net nit nog nor not oft one ore ort ref reg rei ret rif rig rin roe rot teg ten tet tie tin tit toe tog ton tor tot

ergo fern fine fino fire firn foin font fore fort fret frig frit froe frog gent gien gift girn giro girt gite goer gone gore grin grit grot info inro inti into iron neif nett nite noir nori note ogre reft reif rein rent rife rift ring riot rite rote roti tent tern tier tine ting tint tire tiro titi toft toit tone tong tore tori torn torr tort tote tref tret trig trio trog trot