-er -up a-a a-t aaa aae aag aap aar aat aau aax aea aee aeg aep aer aet aeu aex ag- aga age agg agp agr agt agu agx ap- apa ape apg app apr apt apu apx ar- ara are arg arp arr art aru arx at- ata ate atg atp atr att atu atx au- aua aue aug aup aur aut aux ax- axa axe axp axr axt axx eaa eae eag eap ear eat eau eax eea eee eeg eep eer eet eex ega ege egg egp egr egt egu egx ep- epa epe epg epp epr ept epu epx era ere erg erp err ert eru eta ete etg etp etr ett etu etx eu- eua eue eug eup eur eut eux ex- exa exe exp exr ext exu exx g-p gaa gae gag gap gar gat gau ge- gea gee geg gep ger get geu gex gga ggg ggp ggr ggt ggu gpa gpe gpg gpp gpr gpt gpu gpx gra gre grg grp grr grt gru grx gta gte gtg gtp gtr gtt gtu gtx gu- gua gue gug gup gur gut guu gxa gxp gxt p-p paa pae pag pap par pat pau pax pea pee peg pep per pet peu pex pga pge pgg pgp pgr pgt ppa ppe ppg ppp ppr ppt ppu ppx pra pre prg prp prr prt pru prx pt- pta pte ptg ptp ptr ptt ptu ptx pua pue pug pup pur put puu pxe pxg pxr pxt ra- raa rae rag rap rar rat rau rax re- rea ree reg rep rer ret reu rex rga rge rgg rgp rgr rgt rgx rpa rpe rpg rpp rpr rpt rpu rpx rra rrg rrp rrr rrt rru rta rte rtg rtp rtr rtt rtu rtx rua rue rug rup rur rut ruu rux rxp rxr t-x taa tae tag tap tar tat tau tax te- tea tee teg tep ter tet teu tex tga tge tgg tgp tgr tgt tgu tpa tpe tpg tpp tpr tpt tpu tpx tra tre trg trp trr trt tru trx tta tte ttg ttp ttr ttt ttu ttx tua tue tug tup tur tut tuu tux txe txt txu ua- uaa uae uag uap uar uat uau uea uee ueg uep uer uet uga uge ugg ugp ugr ugt ugu ugx up- upa upe upg upp upr upt upu upx ur- ura ure urg urp urr urt uru urx uta ute utp utr utt utu utx uua uue uug uur uut uuu uxr uxt uxu xaa xag xap xar xat xau xee xeg xep xer xet xeu xex xge xgp xpa xpe xpg xpp xpt xrt xrx xtp xtr xtx xue xup xxp xxx