-er a-a a-b a-i a-z aaa aab aad aae aai aan aar aau aaz ab- aba abb abd abe abi abn abr abu abz ad- ada adb add ade adi adn adr adu adz aea aeb aed aee aei aen aer aeu aez ai- aia aib aid aie aii ain air aiu aiz an- ana anb and ane ani ann anr anu anz ar- ara arb ard are ari arn arr aru arz au- aua aub aud aue aui aun aur auz az- aza azb azd aze azi azn azu azz b-u baa bab bad bae bai ban bar bau baz bba bbb bbd bbe bbi bbn bbr bbu bda bdb bdd bde bdi bdr bdu bdz be- bea beb bed bee bei ben ber beu bez bi- bia bib bid bie bii bin bir biu biz bna bnb bnd bne bni bnn bnr bnu bnz bra brb brd bre bri brn brr bru brz bua bub bud bue bui bun bur buu buz bza bzd bze bzn bzr bzu bzz daa dab dad dae dai dan dar dau daz dba dbb dbd dbe dbi dbn dbr dbu dbz dda ddb ddd dde ddi ddn ddr ddu ddz de- dea deb ded dee dei den der deu dez di- dia dib did die dii din dir diu diz dna dnb dnd dne dni dnn dnr dnz dra drb drd dre dri drn drr dru drz dua dub dud due dui dun dur duz dza dzb dzd dze dzi dzr dzu eaa eab ead eae eai ean ear eau eaz eba ebb ebd ebe ebi ebn ebr ebu ed- eda edb edd ede edi edn edr edu eea eeb eed eee een eer eia eib eid eie eii ein eir eiu en- ena enb end ene eni enn enr enu enz era erb erd ere eri ern err eru erz eu- eua eub eud eue eui eun eur eze ezr ezz i-d ia- iaa iab iad iae iai ian iar iau iaz iba ibb ibd ibe ibi ibn ibr ibu ibz ida idb idd ide idi idn idr idu ie- iea ied iee iei ien ier iia iib iid iie iii iin iir iiu in- ina inb ind ine ini inn inr inu ir- ira irb ird ire iri irn irr iru iu- iua iub iud iue iui iur iuz iza ize izi izu izz n-i naa nab nad nae nai nan nar nau naz nba nbb nbd nbe nbi nbn nbr nbu nda ndb ndd nde ndi ndn ndr ndu ne- nea neb ned nee nei nen ner neu nez nia nib nid nie nii nin nir niu niz nna nnb nne nni nnn nnu nnz nra nrb nrd nre nri nrn nrr nru nrz nua nub nud nue nui nun nur nuu nzb nzd nze nzi nzz ra- raa rab rad rae rai ran rar rau raz rba rbb rbd rbe rbi rbn rbr rbu rda rdb rdd rde rdi rdn rdr rdu re- rea reb red ree rei ren rer reu rez ria rib rid rie rii rin rir riz rna rnb rnd rni rnn rnr rnu rnz rra rrb rrd rri rrn rrr rru rua rub rud rue rui run rur ruu ruz rza rzb rze ua- uaa uab uad uae uai uan uar uau uaz uba ubb ube ubi ubn ubr ubu uda udb udd ude udi udn udr udu uea ueb ued uee uei uen uer uia uib uid uie uii uin uir uiu un- una unb und une uni unn unr unu ur- ura urb urd ure uri urn urr uru urz uua uue uun uur uuu uza uzb uzi uzu zaa zab zad zai zan zar zaz zbb zbr zea zeb zed zee zen zer zez zia zib zid zie zin zir ziz znd zne znn zub zud zui zun zur zuz zzr zzz