-al a-a a-b aaa aab aad aae aal aam aan aau ab- aba abb abd abe abl abm abn abu ad- ada adb add ade adl adm adn adu aea aeb aed aee ael aem aen aeu al- ala alb ald ale all alm aln alu ama amb amd ame aml amm amn amu an- ana anb and ane anl anm ann anu au- aua aub aud aue aul aum aun b-u baa bab bad bae bal bam ban bau bba bbb bbd bbe bbl bbm bbn bbu bda bdb bdd bde bdl bdm bdu be- bea beb bed bee bel bem ben beu bla blb bld ble bll blm bln blu bma bmb bmd bme bml bmm bmn bmu bna bnb bnd bne bnl bnn bnu bua bub bud bue bul bum bun buu daa dab dad dae dal dam dan dau dba dbb dbd dbe dbl dbm dbn dbu dda ddb ddd dde ddl ddm ddn ddu de- dea deb ded dee del dem den deu dl- dla dlb dld dle dll dlm dlu dma dmb dmd dme dml dmm dmn dmu dna dnb dnd dne dnl dnm dnn dua dub dud due dul dum dun eaa eab ead eae eal eam ean eau eba ebb ebd ebe ebl ebm ebn ebu ed- eda edb edd ede edl edm edn edu eea eeb eed eee eel eem een ela elb eld ele ell elm eln elu em- ema emb emd eme eml emm emn emu en- ena enb end ene enl enm enn enu eu- eua eub eud eue eul eun la- laa lab lad lae lal lam lan lau lba lbb lbd lbe lbl lbm lbu lda ldb ldd lde ldl ldm ldn ldu lea leb led lee lel lem len leu lla llb lld lle lll llm lln llu lma lmb lmd lme lml lmm lmn lmu lna lnb lnd lne lnl lnm lnn lnu lua lub lud lue lul lum lun luu maa mab mad mae mal mam man mau mba mbb mbd mbe mbl mbm mbu mda mdb mdd mde mdl mdm mdn mdu mea meb med mee mel mem men meu mla mlb mld mle mll mlm mln mlu mma mmb mmd mme mml mmm mmn mmu mna mnb mne mnl mnm mnn mnu mua mub mud mue mul mum mun muu naa nab nad nae nal nam nan nau nba nbb nbd nbe nbl nbm nbn nbu nda ndb ndd nde ndl ndm ndn ndu ne- nea neb ned nee nel nem nen neu nla nlb nld nle nll nlm nln nlu nma nmb nmd nme nml nmm nmn nmu nna nnb nne nnl nnm nnn nnu nua nub nud nue nul num nun nuu ua- uaa uab uad uae ual uam uan uau uba ubb ube ubl ubn ubu uda udb udd ude udl udm udn udu uea ueb ued uee uel uem uen ula ulb uld ule ull ulm uln ulu um- uma umb umd ume uml umm umn umu un- una unb und une unl unm unn unu uua uue uum uun uuu