-er a-a aaa aae aag aaj aak aar aau aax aea aee aeg aej aek aer aeu aex ag- aga age agg agj agk agr agu agx aja aje ajj ajk ajr aju aka ake akg akj akk akr aku ar- ara are arg arj ark arr aru arx au- aua aue aug auj auk aur aux ax- axa axe axj axk axr axx eaa eae eag eaj eak ear eau eax eea eee eeg eek eer eex ega ege egg egr egu egx eja eju eka eke ekg ekr eku era ere erg erk err eru eu- eua eue eug euj eur eux ex- exa exe exr exu exx gaa gae gag gaj gak gar gau ge- gea gee geg gek ger geu gex gga ggg ggj ggr ggu gja gje gjg gjr gka gra gre grg grj grk grr gru grx gu- gua gue gug guj guk gur guu gxa jaa jae jag jaj jak jar jau jax jea jee jeg jej jek jer jeu jga jge jgr jgu jja jjg jjj jjk jjr jju jka jkk jkr jku jkx jra jrg jrk jrr jue jug juk jur ka- kaa kae kag kaj kak kar kau kax ke- kea kee keg kek ker kex kga kgu kgx kje kjr kju kke kkk kkr kku kra krg krk krr kru kue kug kuj kuk kur kuu ra- raa rae rag raj rak rar rau rax re- rea ree reg rek rer reu rex rga rge rgg rgk rgr rgx rja rjg rjk rjr rke rkg rkk rku rra rrg rrk rrr rru rua rue rug ruk rur ruu rux rxr ua- uaa uae uag uaj uak uar uau uea uee ueg uer uga uge ugg ugk ugr ugu ugx uka uke ukk ukr uku ur- ura ure urg urk urr uru urx uua uue uug uur uuu uxr uxu xaa xag xak xar xau xee xeg xer xeu xex xge xke xrx xue xxx