-al a-a a-b aaa aab aae aak aal aam aan aau ab- aba abb abe abk abl abm abn abu aea aeb aee aek ael aem aen aeu aka akb ake akk akl akm akn aku al- ala alb ale alk all alm aln alu ama amb ame amk aml amm amn amu an- ana anb ane ank anl anm ann anu au- aua aub aue auk aul aum aun b-u baa bab bae bak bal bam ban bau bba bbb bbe bbk bbl bbm bbn bbu be- bea beb bee bek bel bem ben beu bka bkb bke bkk bkl bkm bkn bla blb ble blk bll blm bln blu bma bmb bme bmk bml bmm bmn bmu bna bnb bne bnk bnl bnn bnu bua bub bue buk bul bum bun buu eaa eab eae eak eal eam ean eau eba ebb ebe ebk ebl ebm ebn ebu eea eeb eee eek eel eem een eka ekb eke ekl eku ela elb ele elk ell elm eln elu em- ema emb eme emk eml emm emn emu en- ena enb ene enk enl enm enn enu eu- eua eub eue eul eun ka- kaa kab kae kak kal kam kan kau kba kbb kbe kbk kbl kbm kbn kbu ke- kea keb kee kek kel kem ken kkb kke kkk kkl kkm kkn kku kl- kla klb klm klu kma kmb kme kmk kml kmm kmu kn- kna kne knk knl knm knn knu kub kue kuk kul kum kun kuu la- laa lab lae lak lal lam lan lau lba lbb lbe lbk lbl lbm lbu lea leb lee lek lel lem len leu lka lkb lkl lla llb lle llk lll llm lln llu lma lmb lme lmk lml lmm lmn lmu lna lnb lne lnk lnl lnm lnn lnu lua lub lue luk lul lum lun luu maa mab mae mak mal mam man mau mba mbb mbe mbk mbl mbm mbu mea meb mee mek mel mem men meu mka mkb mke mkk mkl mkm mkn mku mla mlb mle mlk mll mlm mln mlu mma mmb mme mmk mml mmm mmn mmu mna mnb mne mnk mnl mnm mnn mnu mua mub mue muk mul mum mun muu naa nab nae nak nal nam nan nau nba nbb nbe nbk nbl nbm nbn nbu ne- nea neb nee nek nel nem nen neu nka nke nkk nkm nkn nku nla nlb nle nlk nll nlm nln nlu nma nmb nme nmk nml nmm nmn nmu nna nnb nne nnk nnl nnm nnn nnu nua nub nue nuk nul num nun nuu ua- uaa uab uae uak ual uam uan uau uba ubb ube ubk ubl ubn ubu uea ueb uee uel uem uen uka ukb uke ukk ukl ukn uku ula ulb ule ulk ull ulm uln ulu um- uma umb ume uml umm umn umu un- una unb une unk unl unm unn unu uua uue uum uun uuu