TETRADONT

ad ae an ar at de do ed en er et na ne no od oe on or re ta to

ado and ane ant are art ate att dan den doe don dor dot ear eat end eon era ern eta nae net nod nor not oar oat oda ode one ora ore ort rad ran rat red ret rod roe rot tad tae tan tao tar tat tea ted ten tet tod toe ton tor tot

aeon aero ante dare darn dart date dato dean dear dent doat doer dona done dore dote drat earn etna nard near neat nerd nett node nota note odea orad rand rant rate rato read redo rend rent road roan rode rota rote tare tarn taro tart tate tear teat tend tent tern toad toea toed tone tora tore torn tort tote trad tret trod trot