PROTHALLOID

ad ah ai al ar at do ha hi ho id it la li lo od oh oi op or pa pi ta ti to

ado ahi aid ail air ait all alp alt apo apt art dah dal dap dip dit dol dor dot had hao hap hat hid hip hit hod hop hot ill lad lap lar lat lid lip lit loo lop lot oar oat oda oho oil old ooh oot opt ora ort pad pah pal par pat phi pht pia pit pod poh poi pol poo pot pro rad rah rai rap rat rho ria rid rip rod rot tad tao tap tar tho til tip tod too top tor

adit airt alit alto apod arid aril atop dahl dart dato dhal dial dill diol dipt dirl dirt dita doat doit doll dolt door dopa dorp doth drat drip drop hail hair hall halo halt hard harl harp hart hila hill hilt hoar hold holp holt hood hoop hoot hora idol iota laid lair lard lari lath lati liar lido lilo lilt lipa lira load loid loop loot lord lota loth loti oath odah odor ohia olio olla opah opal orad oral ordo padi paid pail pair pall pard part path phat phot pial pill pita pith plat plod plot poll polo pood pooh pool poor port prao prat proa prod raid rail rapt rath rato rial rill riot road roil roll rood root rota roti rotl roto tahr tail tali tall taro tarp thio thir thro till tirl tiro toad toil tola told toll tool toph topi topo tora tori toro trad trap trio trip trod trop