-er a-a a-t aaa aad aae aaf aap aar aat ad- ada add ade adf adp adr adt aea aed aee aef aep aer aet af- afa afd afe aff afp afr aft ap- apa apd ape apf app apr apt ar- ara ard are arf arp arr art at- ata atd ate atf atp atr att daa dad dae daf dap dar dat dda ddd dde ddf ddp ddr ddt de- dea ded dee def dep der det dfa dfd dfe dff dfp dfr dft dpa dpd dpe dpf dpp dpr dpt dra drd dre drp drr drt dta dtd dte dtf dtp dtr dtt eaa ead eae eaf eap ear eat ed- eda edd ede edf edp edr edt eea eed eee eef eep eer eet ef- efa efd efe eff efp efr eft ep- epa epd epe epf epp epr ept era erd ere erf erp err ert eta etd ete etf etp etr ett faa fad fae faf fap far fat fda fdd fde fdf fdp fdr fdt fea fed fee fef fep fer fet ffa ffd ffe fff ffp ffr fft fpa fpd fpe fpp fpr fpt fra frd fre frf frp frr frt fta ftd fte ftf ftp ftr ftt p-p paa pad pae paf pap par pat pda pdd pde pdf pdp pdr pdt pea ped pee pef pep per pet pfa pfd pfe pff pfp pfr pft ppa ppd ppe ppf ppp ppr ppt pra prd pre prf prp prr prt pt- pta ptd pte ptf ptp ptr ptt ra- raa rad rae raf rap rar rat rda rdd rde rdf rdp rdr rdt re- rea red ree ref rep rer ret rfa rfd rfe rff rfp rfr rft rpa rpd rpe rpf rpp rpr rpt rra rrd rrf rrp rrr rrt rta rtd rte rtf rtp rtr rtt taa tad tae taf tap tar tat tda tdd tde tdf tdp tdr tdt te- tea ted tee tef tep ter tet tfa tfd tfe tff tfp tfr tft tpa tpd tpe tpf tpp tpr tpt tra trd tre trf trp trr trt tta ttd tte ttf ttp ttr ttt