-er a-a a-t aaa aad aae aaf aao aap aar aas aat ad- ada add ade adf ado adp adr ads adt aea aed aee aef aeo aep aer aes aet af- afa afd afe aff afo afp afr afs aft aoa aod aoe aof aoo aop aor aos aot ap- apa apd ape apf apo app apr aps apt ar- ara ard are arf aro arp arr ars art as- asa asd ase asf aso asp asr ass ast at- ata atd ate atf ato atp atr ats att daa dad dae daf dao dap dar das dat dda ddd dde ddf ddo ddp ddr dds ddt de- dea ded dee def deo dep der des det dfa dfd dfe dff dfo dfp dfr dfs dft doa dod doe dof doo dop dor dos dot dpa dpd dpe dpf dpo dpp dpr dps dpt dra drd dre dro drp drr drs drt dsa dsd dse dsf dso dsp dsr dss dst dta dtd dte dtf dto dtp dtr dts dtt eaa ead eae eaf eao eap ear eas eat ed- eda edd ede edf edo edp edr eds edt eea eed eee eef eeo eep eer ees eet ef- efa efd efe eff efo efp efr efs eft eo- eoa eod eoe eof eoo eop eor eos eot ep- epa epd epe epf epo epp epr eps ept era erd ere erf ero erp err ers ert es- esa esd ese esf eso esp esr ess est eta etd ete etf eto etp etr ets ett faa fad fae faf fao fap far fas fat fda fdd fde fdf fdo fdp fdr fds fdt fea fed fee fef feo fep fer fes fet ffa ffd ffe fff ffo ffp ffr ffs fft foa foe fof foo fop for fos fot fpa fpd fpe fpo fpp fpr fps fpt fra frd fre frf fro frp frr frs frt fsa fsd fse fsf fso fsp fsr fss fst fta ftd fte ftf fto ftp ftr fts ftt oaa oad oae oaf oao oap oar oas oat oda odd ode odf odo odp odr ods odt oea oed oee oef oeo oep oer oes oet of- ofa ofd ofe off ofo ofp ofr ofs oft oo- ooa ood oof ooo oop oor oos oot op- opa opd ope opf opo opp opr ops opt or- ora ord ore orf oro orp orr ors ort os- osa osd ose osf oso osp osr oss ost ot- ota otd ote otf oto otp otr ots ott p-p paa pad pae paf pao pap par pas pat pda pdd pde pdf pdo pdp pdr pds pdt pea ped pee pef peo pep per pes pet pfa pfd pfe pff pfo pfp pfr pfs pft poa pod poe pof poo pop por pos pot ppa ppd ppe ppf ppo ppp ppr pps ppt pra prd pre prf pro prp prr prs prt ps- psa psd pse psf pso psp psr pss pst pt- pta ptd pte ptf pto ptp ptr pts ptt ra- raa rad rae raf rao rap rar ras rat rda rdd rde rdf rdo rdp rdr rds rdt re- rea red ree ref reo rep rer res ret rfa rfd rfe rff rfo rfp rfr rfs rft roa rod roe rof roo rop ror ros rot rpa rpd rpe rpf rpo rpp rpr rps rpt rra rrd rrf rrp rrr rrs rrt rsa rsd rse rsf rso rsp rsr rss rst rta rtd rte rtf rto rtp rtr rts rtt saa sad sae saf sao sap sar sas sat sda sdd sde sdf sdo sdp sdr sds sdt se- sea sed see sef seo sep ser ses set sfa sfd sfe sff sfo sfp sfr sfs sft soa sod soe sof soo sop sor sos sot spa spd spe spf spo spp spr sps spt sr- sra srd sre srf sro srp srr srs srt ss- ssa ssd sse ssf sso ssp ssr sss sst sta std ste stf sto stp str sts stt taa tad tae taf tao tap tar tas tat tda tdd tde tdf tdo tdp tdr tds tdt te- tea ted tee tef teo tep ter tes tet tfa tfd tfe tff tfo tfp tfr tfs tft to- toa tod toe tof too top tor tos tot tpa tpd tpe tpf tpo tpp tpr tps tpt tra trd tre trf tro trp trr trs trt tsa tsd tse tsf tso tsp tsr tss tst tta ttd tte ttf tto ttp ttr tts ttt