-al -er a-a a-b a-i aaa aab aae aai aal aan aar aau aax ab- aba abb abe abi abl abn abr abu abx aea aeb aee aei ael aen aer aeu aex ai- aia aib aie aii ail ain air aiu aix al- ala alb ale ali all aln alr alu alx an- ana anb ane ani anl ann anr anu anx ar- ara arb are ari arl arn arr aru arx au- aua aub aue aui aul aun aur aux ax- axa axe axi axl axn axr axx b-u baa bab bae bai bal ban bar bau bax bba bbb bbe bbi bbl bbn bbr bbu bbx be- bea beb bee bei bel ben ber beu bex bi- bia bib bie bii bil bin bir biu bix bla blb ble bli bll bln blr blu blx bna bnb bne bni bnl bnn bnr bnu bnx bra brb bre bri brl brn brr bru brx bua bub bue bui bul bun bur buu bux bxb bxi bxl bxn bxx eaa eab eae eai eal ean ear eau eax eba ebb ebe ebi ebl ebn ebr ebu ebx eea eeb eee eel een eer eex eia eib eie eii eil ein eir eiu eix ela elb ele eli ell eln elr elu elx en- ena enb ene eni enl enn enr enu era erb ere eri erl ern err eru eu- eua eub eue eui eul eun eur eux ex- exa exe exi exl exr exu exx ia- iaa iab iae iai ial ian iar iau iba ibb ibe ibi ibl ibn ibr ibu ibx ie- iea iee iei iel ien ier iex iia iib iie iii iil iin iir iiu iix il- ila ilb ile ili ill iln ilr ilu ilx in- ina inb ine ini inl inn inr inu inx ir- ira irb ire iri irl irn irr iru irx iu- iua iub iue iui iur ixe ixi ixl ixn la- laa lab lae lai lal lan lar lau lax lba lbb lbe lbi lbl lbr lbu lbx lea leb lee lei lel len ler leu lex lia lib lie lii lil lin lir liu lix lla llb lle lli lll lln llr llu lna lnb lne lni lnl lnn lnr lnu lra lrb lri lrn lrr lru lua lub lue lui lul lun lur luu lux lxi lxr lxx n-i naa nab nae nai nal nan nar nau nax nba nbb nbe nbi nbl nbn nbr nbu nbx ne- nea neb nee nei nel nen ner neu nex nia nib nie nii nil nin nir niu nix nla nlb nle nli nll nln nlr nlu nlx nna nnb nne nni nnl nnn nnu nra nrb nre nri nrl nrn nrr nru nrx nua nub nue nui nul nun nur nuu nux nxl ra- raa rab rae rai ral ran rar rau rax rba rbb rbe rbi rbl rbn rbr rbu rbx re- rea reb ree rei rel ren rer reu rex ria rib rie rii ril rin rir rix rla rle rli rll rln rlr rlu rna rnb rni rnn rnr rnu rra rrb rri rrl rrn rrr rru rua rub rue rui run rur ruu rux rxr ua- uaa uab uae uai ual uan uar uau uba ubb ube ubi ubl ubn ubr ubu ubx uea ueb uee uei uel uen uer uia uib uie uii uil uin uir uiu ula ulb ule uli ull uln ulr ulu un- una unb une uni unl unn unr unu unx ur- ura urb ure uri url urn urr uru urx uua uue uun uur uuu uxb uxr uxu xaa xal xan xar xau xbe xbl xbr xbx xee xel xen xer xeu xex xia xie xii xin xiu xix xla xlb xli xlr xna xnu xrx xue xui xul xun xxi xxl xxx