-er a-a a-t aaa aad aae aao aap aar aat ad- ada add ade ado adp adr adt aea aed aee aeo aep aer aet aoa aod aoe aoo aop aor aot ap- apa apd ape apo app apr apt ar- ara ard are aro arp arr art at- ata atd ate ato atp atr att daa dad dae dao dap dar dat dda ddd dde ddo ddp ddr ddt de- dea ded dee deo dep der det doa dod doe doo dop dor dot dpa dpd dpe dpo dpp dpr dpt dra drd dre dro drp drr drt dta dtd dte dto dtp dtr dtt eaa ead eae eao eap ear eat ed- eda edd ede edo edp edr edt eea eed eee eeo eep eer eet eo- eoa eod eoe eoo eop eor eot ep- epa epd epe epo epp epr ept era erd ere ero erp err ert eta etd ete eto etp etr ett oaa oad oae oao oap oar oat oda odd ode odo odp odr odt oea oed oee oeo oep oer oet oo- ooa ood ooo oop oor oot op- opa opd ope opo opp opr opt or- ora ord ore oro orp orr ort ot- ota otd ote oto otp otr ott p-p paa pad pae pao pap par pat pda pdd pde pdo pdp pdr pdt pea ped pee peo pep per pet poa pod poe poo pop por pot ppa ppd ppe ppo ppp ppr ppt pra prd pre pro prp prr prt pt- pta ptd pte pto ptp ptr ptt ra- raa rad rae rao rap rar rat rda rdd rde rdo rdp rdr rdt re- rea red ree reo rep rer ret roa rod roe roo rop ror rot rpa rpd rpe rpo rpp rpr rpt rra rrd rrp rrr rrt rta rtd rte rto rtp rtr rtt taa tad tae tao tap tar tat tda tdd tde tdo tdp tdr tdt te- tea ted tee teo tep ter tet to- toa tod toe too top tor tot tpa tpd tpe tpo tpp tpr tpt tra trd tre tro trp trr trt tta ttd tte tto ttp ttr ttt