a-a a-t aaa aae aag aap aas aat aea aee aeg aep aes aet ag- aga age agg agp ags agt ap- apa ape apg app aps apt as- asa ase asg asp ass ast at- ata ate atg atp ats att eaa eae eag eap eas eat eea eee eeg eep ees eet ega ege egg egp egs egt ep- epa epe epg epp eps ept es- esa ese esg esp ess est eta ete etg etp ets ett g-p gaa gae gag gap gas gat ge- gea gee geg gep ges get gga ggg ggp ggs ggt gpa gpe gpg gpp gps gpt gsa gse gsg gsp gss gst gta gte gtg gtp gts gtt p-p paa pae pag pap pas pat pea pee peg pep pes pet pga pge pgg pgp pgs pgt ppa ppe ppg ppp pps ppt ps- psa pse psg psp pss pst pt- pta pte ptg ptp pts ptt saa sae sag sap sas sat se- sea see seg sep ses set sga sge sgg sgp sgs sgt spa spe spg spp sps spt ss- ssa sse ssg ssp sss sst sta ste stg stp sts stt taa tae tag tap tas tat te- tea tee teg tep tes tet tga tge tgg tgp tgs tgt tpa tpe tpg tpp tps tpt tsa tse tsg tsp tss tst tta tte ttg ttp tts ttt