a-do aaaa aaad aaap aada aadt aaoo aapa aapo aapt aata aatt adaa adad adao adap adat adda addd addo adod adoo adot adp- adta aopo aotd apao apap apat apda apdd apo- apod apoo apop apot appa appd appt apta aptt at-t ataa atad atap atat atdt atod atop atot atta atto attp daad daap dada dado dapa dapp data dato datp datt dddd ddot ddpo doap doat dod- doda dodd dodo dood doop doot dopa dopo dopp dopt dota dotd doto dott dpaa dpdt dppa dtaa dtap dtdp dtot dttp odda oddd odoo odop odot ooaa ooda oooo ootp opap opo- oppa oppo opto otap oto- otoo otpp otta otto paap paat pada padd pado papa papp pata patd pato patt pdpa poad poat pod- poda podd podo pood poop poot pop- popa popo popp popt pota potd poto pott ppad ppap ppoa ppod pppa pppd pppo pppp ppta pptt ptop ptpd taa- taat tada tado taoa tapa tapo tapp tapt tata tato tatt tdap toad toat toda todd todo todt tooa tood toot top- topa topd topo topp topt tota totd toto tott tpap tppa tppd tppp tptp ttop tttt