-er a-a a-t aaa aad aae aag aap aar aas aat ad- ada add ade adg adp adr ads adt aea aed aee aeg aep aer aes aet ag- aga agd age agg agp agr ags agt ap- apa apd ape apg app apr aps apt ar- ara ard are arg arp arr ars art as- asa asd ase asg asp asr ass ast at- ata atd ate atg atp atr ats att daa dad dae dag dap dar das dat dda ddd dde ddg ddp ddr dds ddt de- dea ded dee deg dep der des det dga dgd dge dgg dgp dgr dgs dgt dpa dpd dpe dpg dpp dpr dps dpt dra drd dre drg drp drr drs drt dsa dsd dse dsg dsp dsr dss dst dta dtd dte dtg dtp dtr dts dtt eaa ead eae eag eap ear eas eat ed- eda edd ede edg edp edr eds edt eea eed eee eeg eep eer ees eet ega egd ege egg egp egr egs egt ep- epa epd epe epg epp epr eps ept era erd ere erg erp err ers ert es- esa esd ese esg esp esr ess est eta etd ete etg etp etr ets ett g-d g-p gaa gad gae gag gap gar gas gat gda gdd gde gdp gdr gds gdt ge- gea ged gee geg gep ger ges get gga ggd ggg ggp ggr ggs ggt gpa gpd gpe gpg gpp gpr gps gpt gra grd gre grg grp grr grs grt gsa gsd gse gsg gsp gsr gss gst gta gtd gte gtg gtp gtr gts gtt p-p paa pad pae pag pap par pas pat pda pdd pde pdg pdp pdr pds pdt pea ped pee peg pep per pes pet pga pgd pge pgg pgp pgr pgs pgt ppa ppd ppe ppg ppp ppr pps ppt pra prd pre prg prp prr prs prt ps- psa psd pse psg psp psr pss pst pt- pta ptd pte ptg ptp ptr pts ptt ra- raa rad rae rag rap rar ras rat rda rdd rde rdg rdp rdr rds rdt re- rea red ree reg rep rer res ret rga rgd rge rgg rgp rgr rgs rgt rpa rpd rpe rpg rpp rpr rps rpt rra rrd rrg rrp rrr rrs rrt rsa rsd rse rsg rsp rsr rss rst rta rtd rte rtg rtp rtr rts rtt saa sad sae sag sap sar sas sat sda sdd sde sdg sdp sdr sds sdt se- sea sed see seg sep ser ses set sga sgd sge sgg sgp sgr sgs sgt spa spd spe spg spp spr sps spt sr- sra srd sre srg srp srr srs srt ss- ssa ssd sse ssg ssp ssr sss sst sta std ste stg stp str sts stt taa tad tae tag tap tar tas tat tda tdd tde tdg tdp tdr tds tdt te- tea ted tee teg tep ter tes tet tga tge tgg tgp tgr tgs tgt tpa tpd tpe tpg tpp tpr tps tpt tra trd tre trg trp trr trs trt tsa tsd tse tsg tsp tsr tss tst tta ttd tte ttg ttp ttr tts ttt