-er a-a a-t aaa aae aag aak aan aar aas aat aea aee aeg aek aen aer aes aet ag- aga age agg agk agn agr ags agt aka ake akg akk akn akr aks an- ana ane ang ank ann anr ans ant ar- ara are arg ark arn arr ars art as- asa ase asg ask asn asr ass ast at- ata ate atg atn atr ats att eaa eae eag eak ean ear eas eat eea eee eeg eek een eer ees eet ega ege egg egn egr egs egt eka eke ekg ekr eks ekt en- ena ene eng enk enn enr ens ent era ere erg erk ern err ers ert es- esa ese esg esk esn esr ess est eta ete etg etk etn etr ets ett gaa gae gag gak gan gar gas gat ge- gea gee geg gek gen ger ges get gga ggg ggn ggr ggs ggt gka gkn gks gkt gna gne gnn gnr gns gnt gra gre grg grk grn grr grs grt gsa gse gsg gsk gsn gsr gss gst gta gte gtg gtk gtn gtr gts gtt k-t ka- kaa kae kag kak kan kar kas kat ke- kea kee keg kek ken ker kes ket kga kgs kke kkk kkn kkr kks kkt kn- kna kne kng knk knn knr knt kra krg krk krn krr krs krt ksa kse ksg ksk ksn ksr kss kst kta kte ktg ktk ktn ktr kts ktt naa nae nag nak nan nar nas nat ne- nea nee neg nek nen ner nes net nga nge ngg ngk ngn ngs ngt nka nke nkk nkn nkr nks nkt nna nne nng nnk nnn nns nnt nra nre nrg nrk nrn nrr nrs nrt nsa nse nsg nsk nsn nsr nss nst nta nte ntg ntk ntn ntr nts ntt ra- raa rae rag rak ran rar ras rat re- rea ree reg rek ren rer res ret rga rge rgg rgk rgn rgr rgs rgt rke rkg rkk rks rkt rna rng rnn rnr rns rnt rra rrg rrk rrn rrr rrs rrt rsa rse rsg rsk rsn rsr rss rst rta rte rtg rtk rtn rtr rts rtt saa sae sag sak san sar sas sat se- sea see seg sek sen ser ses set sga sge sgg sgk sgn sgr sgs sgt sk- ska ske skg skk skr sks skt sna sne sng snk snn snr sns snt sr- sra sre srg srk srn srr srs srt ss- ssa sse ssg ssk ssn ssr sss sst sta ste stg stk stn str sts stt taa tae tag tak tan tar tas tat te- tea tee teg tek ten ter tes tet tga tge tgg tgk tgn tgr tgs tgt tka tke tkg tkk tkr tks tkt tna tne tng tnk tnn tnr tns tnt tra tre trg trk trn trr trs trt tsa tse tsg tsk tsn tsr tss tst tta tte ttg ttk ttn ttr tts ttt