-er a-a a-z aaa aae aag aak aan aar aau aaz aea aee aeg aek aen aer aeu aez ag- aga age agg agk agn agr agu agz aka ake akg akk akn akr aku an- ana ane ang ank ann anr anu anz ar- ara are arg ark arn arr aru arz au- aua aue aug auk aun aur auz az- aza aze azg azn azu azz eaa eae eag eak ean ear eau eaz eea eee eeg eek een eer ega ege egg egn egr egu eka eke ekg ekr eku en- ena ene eng enk enn enr enu enz era ere erg erk ern err eru erz eu- eua eue eug eun eur eze ezr ezz gaa gae gag gak gan gar gau gaz ge- gea gee geg gek gen ger geu gez gga ggg ggn ggr ggu ggz gka gkn gna gne gnn gnr gnu gra gre grg grk grn grr gru gu- gua gue gug guk gun gur guu guz gza gzr gzu k-z ka- kaa kae kag kak kan kar kau kaz ke- kea kee keg kek ken ker kez kga kgu kke kkk kkn kkr kku kn- kna kne kng knk knn knr knu kra krg krk krn krr kru kue kug kuk kun kur kuu naa nae nag nak nan nar nau naz ne- nea nee neg nek nen ner neu nez nga nge ngg ngk ngn ngu nka nke nkk nkn nkr nku nna nne nng nnk nnn nnu nnz nra nre nrg nrk nrn nrr nru nrz nua nue nug nuk nun nur nuu nze nzg nzz ra- raa rae rag rak ran rar rau raz re- rea ree reg rek ren rer reu rez rga rge rgg rgk rgn rgr rke rkg rkk rku rkz rna rng rnn rnr rnu rnz rra rrg rrk rrn rrr rru rua rue rug ruk run rur ruu ruz rza rze ua- uaa uae uag uak uan uar uau uaz uea uee ueg uen uer uga uge ugg ugk ugn ugr ugu uka uke ukk ukn ukr uku ukz un- una une ung unk unn unr unu ur- ura ure urg urk urn urr uru urz uua uue uug uun uur uuu uza uzu z-g zaa zag zak zan zar zaz zea zee zek zen zer zez zgg zka zne znn zug zuk zun zur zuz zzr zzz