ddd dde ddi ddp ddt ddz de- ded dee dei dep det dez di- did die dii dip dit diz dpd dpe dpi dpp dpt dpz dtd dte dti dtp dtt dtz dzd dze dzi dzp ed- edd ede edi edp edt eed eee eep eet eid eie eii eip eit ep- epd epe epi epp ept epz etd ete eti etp ett etz eze ezz i-d idd ide idi idp idt ie- ied iee iei iep iet iid iie iii iip iit ipd ipe ipi ipp ipt itd ite iti itp itt itz ize izi izz p-p pdd pde pdi pdp pdt pdz ped pee pei pep pet pez pid pie pii pip pit piz ppd ppe ppi ppp ppt ppz pt- ptd pte pti ptp ptt ptz pzp pzt tdd tde tdi tdp tdt te- ted tee tei tep tet tez tid tie tii tip tit tiz tpd tpe tpi tpp tpt tpz ttd tte tti ttp ttt tzd tze zdt zed zee zep zet zez zid zie zip zit ziz zpe zpi zpp zpt zte zzt zzz