-er a-a a-i a-t aaa aae aag aai aak aar aas aat aea aee aeg aei aek aer aes aet ag- aga age agg agi agk agr ags agt ai- aia aie aig aii aik air ais ait aka ake akg aki akk akr aks ar- ara are arg ari ark arr ars art as- asa ase asg asi ask asr ass ast at- ata ate atg ati atr ats att eaa eae eag eai eak ear eas eat eea eee eeg eek eer ees eet ega ege egg egi egr egs egt eia eie eig eii eik eir eis eit eka eke ekg eki ekr eks ekt era ere erg eri erk err ers ert es- esa ese esg esi esk esr ess est eta ete etg eti etk etr ets ett gaa gae gag gai gak gar gas gat ge- gea gee geg gei gek ger ges get gga ggg ggi ggr ggs ggt gia gie gig gii gik gir gis git gka gks gkt gra gre grg gri grk grr grs grt gsa gse gsg gsi gsk gsr gss gst gta gte gtg gti gtk gtr gts gtt ia- iaa iae iag iai iar ias iat ie- iea iee ieg iei iek ier ies iet iga ige igg igi igk igr igs igt iia iie iii iir iis iit ika ike iki ikk ikr iks ikt ir- ira ire irg iri irk irr irs irt is- isa ise isg isi isk isr iss ist ita ite itg iti itk its itt k-t ka- kaa kae kag kai kak kar kas kat ke- kea kee keg kei kek ker kes ket kga kgi kgs kia kie kig kii kik kir kis kit kke kki kkk kkr kks kkt kra krg kri krk krr krs krt ksa kse ksg ksi ksk ksr kss kst kta kte ktg ktk ktr kts ktt ra- raa rae rag rai rak rar ras rat re- rea ree reg rei rek rer res ret rga rge rgg rgi rgk rgr rgs rgt ria rie rig rii rik rir ris rit rke rkg rkk rks rkt rra rrg rri rrk rrr rrs rrt rsa rse rsg rsi rsk rsr rss rst rta rte rtg rti rtk rtr rts rtt saa sae sag sai sak sar sas sat se- sea see seg sei sek ser ses set sga sge sgg sgi sgk sgr sgs sgt sia sie sig sii sik sir sis sit sk- ska ske skg ski skk skr sks skt sr- sra sre srg sri srk srr srs srt ss- ssa sse ssg ssi ssk ssr sss sst sta ste stg sti stk str sts stt taa tae tag tai tak tar tas tat te- tea tee teg tei tek ter tes tet tga tge tgg tgi tgk tgr tgs tgt tia tie tig tii tik tir tis tit tka tke tkg tkk tkr tks tkt tra tre trg tri trk trr trs trt tsa tse tsg tsi tsk tsr tss tst tta tte ttg tti ttk ttr tts ttt