-er a-a a-t aaa aad aae aag aak aar aas aat ad- ada add ade adg adk adr ads adt aea aed aee aeg aek aer aes aet ag- aga agd age agg agk agr ags agt aka akd ake akg akk akr aks ar- ara ard are arg ark arr ars art as- asa asd ase asg ask asr ass ast at- ata atd ate atg atr ats att daa dad dae dag dak dar das dat dda ddd dde ddg ddk ddr dds ddt de- dea ded dee deg dek der des det dga dgd dge dgg dgk dgr dgs dgt dka dke dkg dkk dkr dks dkt dra drd dre drg drk drr drs drt dsa dsd dse dsg dsk dsr dss dst dta dtd dte dtg dtk dtr dts dtt eaa ead eae eag eak ear eas eat ed- eda edd ede edg edk edr eds edt eea eed eee eeg eek eer ees eet ega egd ege egg egr egs egt eka ekd eke ekg ekr eks ekt era erd ere erg erk err ers ert es- esa esd ese esg esk esr ess est eta etd ete etg etk etr ets ett g-d gaa gad gae gag gak gar gas gat gda gdd gde gdk gdr gds gdt ge- gea ged gee geg gek ger ges get gga ggd ggg ggr ggs ggt gka gkd gks gkt gra grd gre grg grk grr grs grt gsa gsd gse gsg gsk gsr gss gst gta gtd gte gtg gtk gtr gts gtt k-t ka- kaa kad kae kag kak kar kas kat kda kde kdg kdk kdr kds kdt ke- kea ked kee keg kek ker kes ket kga kgd kgs kke kkk kkr kks kkt kra krd krg krk krr krs krt ksa ksd kse ksg ksk ksr kss kst kta kte ktg ktk ktr kts ktt ra- raa rad rae rag rak rar ras rat rda rdd rde rdg rdr rds rdt re- rea red ree reg rek rer res ret rga rgd rge rgg rgk rgr rgs rgt rke rkg rkk rks rkt rra rrd rrg rrk rrr rrs rrt rsa rsd rse rsg rsk rsr rss rst rta rtd rte rtg rtk rtr rts rtt saa sad sae sag sak sar sas sat sda sdd sde sdg sdk sdr sds sdt se- sea sed see seg sek ser ses set sga sgd sge sgg sgk sgr sgs sgt sk- ska skd ske skg skk skr sks skt sr- sra srd sre srg srk srr srs srt ss- ssa ssd sse ssg ssk ssr sss sst sta std ste stg stk str sts stt taa tad tae tag tak tar tas tat tda tdd tde tdg tdk tdr tds tdt te- tea ted tee teg tek ter tes tet tga tge tgg tgk tgr tgs tgt tka tke tkg tkk tkr tks tkt tra trd tre trg trk trr trs trt tsa tsd tse tsg tsk tsr tss tst tta ttd tte ttg ttk ttr tts ttt