-al -er a-a a-b aaa aab aae aak aal aam aan aar aau ab- aba abb abe abk abl abm abn abr abu aea aeb aee aek ael aem aen aer aeu aka akb ake akk akl akm akn akr aku al- ala alb ale alk all alm aln alr alu ama amb ame amk aml amm amn amr amu an- ana anb ane ank anl anm ann anr anu ar- ara arb are ark arl arm arn arr aru au- aua aub aue auk aul aum aun aur b-u baa bab bae bak bal bam ban bar bau bba bbb bbe bbk bbl bbm bbn bbr bbu be- bea beb bee bek bel bem ben ber beu bka bkb bke bkk bkl bkm bkn bkr bla blb ble blk bll blm bln blr blu bma bmb bme bmk bml bmm bmn bmr bmu bna bnb bne bnk bnl bnn bnr bnu bra brb bre brk brl brm brn brr bru bua bub bue buk bul bum bun bur buu eaa eab eae eak eal eam ean ear eau eba ebb ebe ebk ebl ebm ebn ebr ebu eea eeb eee eek eel eem een eer eka ekb eke ekl ekr eku ela elb ele elk ell elm eln elr elu em- ema emb eme emk eml emm emn emr emu en- ena enb ene enk enl enm enn enr enu era erb ere erk erl erm ern err eru eu- eua eub eue eul eun eur ka- kaa kab kae kak kal kam kan kar kau kba kbb kbe kbk kbl kbm kbn kbr kbu ke- kea keb kee kek kel kem ken ker kkb kke kkk kkl kkm kkn kkr kku kl- kla klb klm klr klu kma kmb kme kmk kml kmm kmu kn- kna kne knk knl knm knn knr knu kra krk krl krn krr kru kub kue kuk kul kum kun kur kuu la- laa lab lae lak lal lam lan lar lau lba lbb lbe lbk lbl lbm lbr lbu lea leb lee lek lel lem len ler leu lka lkb lkl lkr lla llb lle llk lll llm lln llr llu lma lmb lme lmk lml lmm lmn lmr lmu lna lnb lne lnk lnl lnm lnn lnr lnu lra lrb lrk lrm lrn lrr lru lua lub lue luk lul lum lun lur luu m-r maa mab mae mak mal mam man mar mau mba mbb mbe mbk mbl mbm mbr mbu mea meb mee mek mel mem men mer meu mka mkb mke mkk mkl mkm mkn mkr mku mla mlb mle mlk mll mlm mln mlr mlu mma mmb mme mmk mml mmm mmn mmr mmu mna mnb mne mnk mnl mnm mnn mnr mnu mra mrb mre mrk mrl mrm mrn mrr mru mua mub mue muk mul mum mun mur muu naa nab nae nak nal nam nan nar nau nba nbb nbe nbk nbl nbm nbn nbr nbu ne- nea neb nee nek nel nem nen ner neu nka nke nkk nkm nkn nkr nku nla nlb nle nlk nll nlm nln nlr nlu nma nmb nme nmk nml nmm nmn nmr nmu nna nnb nne nnk nnl nnm nnn nnu nra nrb nre nrk nrl nrm nrn nrr nru nua nub nue nuk nul num nun nur nuu ra- raa rab rae rak ral ram ran rar rau rba rbb rbe rbk rbl rbm rbn rbr rbu re- rea reb ree rek rel rem ren rer reu rkb rke rkk rkm rku rla rle rll rlm rln rlr rlu rma rmb rme rml rmm rmn rmr rna rnb rnm rnn rnr rnu rra rrb rrk rrl rrm rrn rrr rru rua rub rue ruk rum run rur ruu ua- uaa uab uae uak ual uam uan uar uau uba ubb ube ubk ubl ubn ubr ubu uea ueb uee uel uem uen uer uka ukb uke ukk ukl ukn ukr uku ula ulb ule ulk ull ulm uln ulr ulu um- uma umb ume uml umm umn umr umu un- una unb une unk unl unm unn unr unu ur- ura urb ure urk url urm urn urr uru uua uue uum uun uur uuu