-er a-a a-t aaa aad aae aag aao aap aar aas aat ad- ada add ade adg ado adp adr ads adt aea aed aee aeg aeo aep aer aes aet ag- aga agd age agg ago agp agr ags agt aoa aod aoe aog aoo aop aor aos aot ap- apa apd ape apg apo app apr aps apt ar- ara ard are arg aro arp arr ars art as- asa asd ase asg aso asp asr ass ast at- ata atd ate atg ato atp atr ats att daa dad dae dag dao dap dar das dat dda ddd dde ddg ddo ddp ddr dds ddt de- dea ded dee deg deo dep der des det dga dgd dge dgg dgp dgr dgs dgt doa dod doe dog doo dop dor dos dot dpa dpd dpe dpg dpo dpp dpr dps dpt dra drd dre drg dro drp drr drs drt dsa dsd dse dsg dso dsp dsr dss dst dta dtd dte dtg dto dtp dtr dts dtt eaa ead eae eag eao eap ear eas eat ed- eda edd ede edg edo edp edr eds edt eea eed eee eeg eeo eep eer ees eet ega egd ege egg ego egp egr egs egt eo- eoa eod eoe eog eoo eop eor eos eot ep- epa epd epe epg epo epp epr eps ept era erd ere erg ero erp err ers ert es- esa esd ese esg eso esp esr ess est eta etd ete etg eto etp etr ets ett g-d g-p gaa gad gae gag gao gap gar gas gat gda gdd gde gdo gdp gdr gds gdt ge- gea ged gee geg geo gep ger ges get gga ggd ggg ggo ggp ggr ggs ggt goa god goe gog goo gop gor gos got gpa gpd gpe gpg gpo gpp gpr gps gpt gra grd gre grg gro grp grr grs grt gsa gsd gse gsg gso gsp gsr gss gst gta gtd gte gtg gto gtp gtr gts gtt oaa oad oae oag oao oap oar oas oat oda odd ode odg odo odp odr ods odt oea oed oee oeg oeo oep oer oes oet oga ogd oge ogg ogo ogp ogs ogt oo- ooa ood oog ooo oop oor oos oot op- opa opd ope opg opo opp opr ops opt or- ora ord ore org oro orp orr ors ort os- osa osd ose osg oso osp osr oss ost ot- ota otd ote otg oto otp otr ots ott p-p paa pad pae pag pao pap par pas pat pda pdd pde pdg pdo pdp pdr pds pdt pea ped pee peg peo pep per pes pet pga pgd pge pgg pgo pgp pgr pgs pgt poa pod poe pog poo pop por pos pot ppa ppd ppe ppg ppo ppp ppr pps ppt pra prd pre prg pro prp prr prs prt ps- psa psd pse psg pso psp psr pss pst pt- pta ptd pte ptg pto ptp ptr pts ptt ra- raa rad rae rag rao rap rar ras rat rda rdd rde rdg rdo rdp rdr rds rdt re- rea red ree reg reo rep rer res ret rga rgd rge rgg rgo rgp rgr rgs rgt roa rod roe rog roo rop ror ros rot rpa rpd rpe rpg rpo rpp rpr rps rpt rra rrd rrg rrp rrr rrs rrt rsa rsd rse rsg rso rsp rsr rss rst rta rtd rte rtg rto rtp rtr rts rtt saa sad sae sag sao sap sar sas sat sda sdd sde sdg sdo sdp sdr sds sdt se- sea sed see seg seo sep ser ses set sga sgd sge sgg sgo sgp sgr sgs sgt soa sod soe sog soo sop sor sos sot spa spd spe spg spo spp spr sps spt sr- sra srd sre srg sro srp srr srs srt ss- ssa ssd sse ssg sso ssp ssr sss sst sta std ste stg sto stp str sts stt taa tad tae tag tao tap tar tas tat tda tdd tde tdg tdo tdp tdr tds tdt te- tea ted tee teg teo tep ter tes tet tga tge tgg tgo tgp tgr tgs tgt to- toa tod toe tog too top tor tos tot tpa tpd tpe tpg tpo tpp tpr tps tpt tra trd tre trg tro trp trr trs trt tsa tsd tse tsg tso tsp tsr tss tst tta ttd tte ttg tto ttp ttr tts ttt