-er a-a a-b a-i a-t a-z aaa aab aae aai aan aar aat aau aaz ab- aba abb abe abi abn abr abt abu abz aea aeb aee aei aen aer aet aeu aez ai- aia aib aie aii ain air ait aiu aiz an- ana anb ane ani ann anr ant anu anz ar- ara arb are ari arn arr art aru arz at- ata atb ate ati atn atr att atu atz au- aua aub aue aui aun aur aut auz az- aza azb aze azi azn azt azu azz b-u baa bab bae bai ban bar bat bau baz bba bbb bbe bbi bbn bbr bbt bbu be- bea beb bee bei ben ber bet beu bez bi- bia bib bie bii bin bir bit biu biz bna bnb bne bni bnn bnr bnt bnu bnz bra brb bre bri brn brr brt bru brz bta btb bte bti btn btr btt btu btz bua bub bue bui bun bur but buu buz bza bze bzn bzr bzu bzz eaa eab eae eai ean ear eat eau eaz eba ebb ebe ebi ebn ebr ebt ebu eea eeb eee een eer eet eia eib eie eii ein eir eit eiu en- ena enb ene eni enn enr ent enu enz era erb ere eri ern err ert eru erz eta etb ete eti etn etr ett etu etz eu- eua eub eue eui eun eur eut eze ezr ezz ia- iaa iab iae iai ian iar iat iau iaz iba ibb ibe ibi ibn ibr ibt ibu ibz ie- iea iee iei ien ier iet iia iib iie iii iin iir iit iiu in- ina inb ine ini inn inr int inu ir- ira irb ire iri irn irr irt iru ita itb ite iti itn itt itu itz iu- iua iub iue iui iur iut iuz iza ize izi izu izz n-i naa nab nae nai nan nar nat nau naz nba nbb nbe nbi nbn nbr nbt nbu ne- nea neb nee nei nen ner net neu nez nia nib nie nii nin nir nit niu niz nna nnb nne nni nnn nnt nnu nnz nra nrb nre nri nrn nrr nrt nru nrz nta ntb nte nti ntn ntr ntt ntu ntz nua nub nue nui nun nur nut nuu nzb nze nzi nzz ra- raa rab rae rai ran rar rat rau raz rba rbb rbe rbi rbn rbr rbt rbu re- rea reb ree rei ren rer ret reu rez ria rib rie rii rin rir rit riz rna rnb rni rnn rnr rnt rnu rnz rra rrb rri rrn rrr rrt rru rta rtb rte rti rtn rtr rtt rtu rtz rua rub rue rui run rur rut ruu ruz rza rzb rze taa tab tae tai tan tar tat tau taz tba tbb tbe tbi tbn tbr tbt tbu tbz te- tea teb tee tei ten ter tet teu tez tia tib tie tii tin tir tit tiu tiz tna tnb tne tni tnn tnr tnt tnz tra trb tre tri trn trr trt tru trz tta ttb tte tti ttn ttr ttt ttu tua tub tue tui tun tur tut tuu tuz tza tze tzu ua- uaa uab uae uai uan uar uat uau uaz uba ubb ube ubi ubn ubr ubt ubu uea ueb uee uei uen uer uet uia uib uie uii uin uir uit uiu un- una unb une uni unn unr unt unu ur- ura urb ure uri urn urr urt uru urz uta utb ute uti utn utr utt utu utz uua uue uun uur uut uuu uza uzb uzi uzu zaa zab zai zan zar zat zaz zbb zbr zbt zea zeb zee zen zer zet zez zia zib zie zin zir zit ziz zne znn zta zte ztr zub zui zun zur zut zuz zzr zzt zzz