-er a-a a-t aaa aae aag aak aar aas aat aea aee aeg aek aer aes aet ag- aga age agg agk agr ags agt aka ake akg akk akr aks ar- ara are arg ark arr ars art as- asa ase asg ask asr ass ast at- ata ate atg atr ats att eaa eae eag eak ear eas eat eea eee eeg eek eer ees eet ega ege egg egr egs egt eka eke ekg ekr eks ekt era ere erg erk err ers ert es- esa ese esg esk esr ess est eta ete etg etk etr ets ett gaa gae gag gak gar gas gat ge- gea gee geg gek ger ges get gga ggg ggr ggs ggt gka gks gkt gra gre grg grk grr grs grt gsa gse gsg gsk gsr gss gst gta gte gtg gtk gtr gts gtt k-t ka- kaa kae kag kak kar kas kat ke- kea kee keg kek ker kes ket kga kgs kke kkk kkr kks kkt kra krg krk krr krs krt ksa kse ksg ksk ksr kss kst kta kte ktg ktk ktr kts ktt ra- raa rae rag rak rar ras rat re- rea ree reg rek rer res ret rga rge rgg rgk rgr rgs rgt rke rkg rkk rks rkt rra rrg rrk rrr rrs rrt rsa rse rsg rsk rsr rss rst rta rte rtg rtk rtr rts rtt saa sae sag sak sar sas sat se- sea see seg sek ser ses set sga sge sgg sgk sgr sgs sgt sk- ska ske skg skk skr sks skt sr- sra sre srg srk srr srs srt ss- ssa sse ssg ssk ssr sss sst sta ste stg stk str sts stt taa tae tag tak tar tas tat te- tea tee teg tek ter tes tet tga tge tgg tgk tgr tgs tgt tka tke tkg tkk tkr tks tkt tra tre trg trk trr trs trt tsa tse tsg tsk tsr tss tst tta tte ttg ttk ttr tts ttt