-er a-a a-t aaa aad aae aaf aao aap aar aat ad- ada add ade adf ado adp adr adt aea aed aee aef aeo aep aer aet af- afa afd afe aff afo afp afr aft aoa aod aoe aof aoo aop aor aot ap- apa apd ape apf apo app apr apt ar- ara ard are arf aro arp arr art at- ata atd ate atf ato atp atr att daa dad dae daf dao dap dar dat dda ddd dde ddf ddo ddp ddr ddt de- dea ded dee def deo dep der det dfa dfd dfe dff dfo dfp dfr dft doa dod doe dof doo dop dor dot dpa dpd dpe dpf dpo dpp dpr dpt dra drd dre dro drp drr drt dta dtd dte dtf dto dtp dtr dtt eaa ead eae eaf eao eap ear eat ed- eda edd ede edf edo edp edr edt eea eed eee eef eeo eep eer eet ef- efa efd efe eff efo efp efr eft eo- eoa eod eoe eof eoo eop eor eot ep- epa epd epe epf epo epp epr ept era erd ere erf ero erp err ert eta etd ete etf eto etp etr ett faa fad fae faf fao fap far fat fda fdd fde fdf fdo fdp fdr fdt fea fed fee fef feo fep fer fet ffa ffd ffe fff ffo ffp ffr fft foa foe fof foo fop for fot fpa fpd fpe fpo fpp fpr fpt fra frd fre frf fro frp frr frt fta ftd fte ftf fto ftp ftr ftt oaa oad oae oaf oao oap oar oat oda odd ode odf odo odp odr odt oea oed oee oef oeo oep oer oet of- ofa ofd ofe off ofo ofp ofr oft oo- ooa ood oof ooo oop oor oot op- opa opd ope opf opo opp opr opt or- ora ord ore orf oro orp orr ort ot- ota otd ote otf oto otp otr ott p-p paa pad pae paf pao pap par pat pda pdd pde pdf pdo pdp pdr pdt pea ped pee pef peo pep per pet pfa pfd pfe pff pfo pfp pfr pft poa pod poe pof poo pop por pot ppa ppd ppe ppf ppo ppp ppr ppt pra prd pre prf pro prp prr prt pt- pta ptd pte ptf pto ptp ptr ptt ra- raa rad rae raf rao rap rar rat rda rdd rde rdf rdo rdp rdr rdt re- rea red ree ref reo rep rer ret rfa rfd rfe rff rfo rfp rfr rft roa rod roe rof roo rop ror rot rpa rpd rpe rpf rpo rpp rpr rpt rra rrd rrf rrp rrr rrt rta rtd rte rtf rto rtp rtr rtt taa tad tae taf tao tap tar tat tda tdd tde tdf tdo tdp tdr tdt te- tea ted tee tef teo tep ter tet tfa tfd tfe tff tfo tfp tfr tft to- toa tod toe tof too top tor tot tpa tpd tpe tpf tpo tpp tpr tpt tra trd tre trf tro trp trr trt tta ttd tte ttf tto ttp ttr ttt