-al a-a a-b a-c aaa aab aac aak aal aam aan aau ab- aba abb abc abk abl abm abn abu ac- aca acb acc ack acl acm acn acu aka akb akc akk akl akm akn aku al- ala alb alc alk all alm aln alu ama amb amc amk aml amm amn amu an- ana anb anc ank anl anm ann anu au- aua aub auc auk aul aum aun b-u baa bab bac bak bal bam ban bau bba bbb bbc bbk bbl bbm bbn bbu bca bcb bcc bck bcl bcm bcn bcu bka bkb bkc bkk bkl bkm bkn bla blb blc blk bll blm bln blu bma bmb bmc bmk bml bmm bmn bmu bna bnb bnc bnk bnl bnn bnu bua bub buc buk bul bum bun buu c-- caa cab cac cak cal cam can cau cba cbb cbc cbk cbl cbm cbn cbu cca ccb ccc cck ccl ccm ccn ccu cka ckb ckc ckm cl- cla clb clc clk cll clm cln clu cma cmb cmc cmk cml cmm cmn cmu cn- cna cnb cnc cnl cnm cnn cnu cua cub cuc cuk cul cum cun cuu ka- kaa kab kac kak kal kam kan kau kba kbb kbc kbk kbl kbm kbn kbu kca kcb kcc kck kcl kcm kcn kcu kkb kkc kkk kkl kkm kkn kku kl- kla klb klc klm klu kma kmb kmc kmk kml kmm kmu kn- kna knc knk knl knm knn knu kub kuc kuk kul kum kun kuu la- laa lab lac lak lal lam lan lau lba lbb lbc lbk lbl lbm lbu lca lcb lcc lck lcl lcm lcn lcu lka lkb lkl lla llb llc llk lll llm lln llu lma lmb lmc lmk lml lmm lmn lmu lna lnb lnc lnk lnl lnm lnn lnu lua lub luc luk lul lum lun luu maa mab mac mak mal mam man mau mba mbb mbc mbk mbl mbm mbu mc- mca mcb mcc mck mcl mcm mcn mcu mka mkb mkc mkk mkl mkm mkn mku mla mlb mlc mlk mll mlm mln mlu mma mmb mmc mmk mml mmm mmn mmu mna mnb mnc mnk mnl mnm mnn mnu mua mub muc muk mul mum mun muu naa nab nac nak nal nam nan nau nba nbb nbc nbk nbl nbm nbn nbu nca ncb ncc nck ncl ncm ncn ncu nka nkc nkk nkm nkn nku nla nlb nlc nlk nll nlm nln nlu nma nmb nmc nmk nml nmm nmn nmu nna nnb nnc nnk nnl nnm nnn nnu nua nub nuc nuk nul num nun nuu ua- uaa uab uac uak ual uam uan uau uba ubb ubc ubk ubl ubn ubu uca ucb ucc uck ucl ucm ucn ucu uka ukb ukc ukk ukl ukn uku ula ulb ulc ulk ull ulm uln ulu um- uma umb umc uml umm umn umu un- una unb unc unk unl unm unn unu uua uuc uum uun uuu