-al a-a a-b a-c aaa aab aac aah aak aal aan aau ab- aba abb abc abh abk abl abn abu ac- aca acb acc ach ack acl acn acu aha ahb ahc ahh ahk ahl ahn ahu aka akb akc akh akk akl akn aku al- ala alb alc alh alk all aln alu an- ana anb anc anh ank anl ann anu au- aua aub auc auh auk aul aun b-u baa bab bac bah bak bal ban bau bba bbb bbc bbh bbk bbl bbn bbu bca bcb bcc bch bck bcl bcn bcu bha bhb bhc bhh bhk bhl bhu bka bkb bkc bkk bkl bkn bla blb blc blh blk bll bln blu bna bnb bnc bnk bnl bnn bnu bua bub buc buh buk bul bun buu c-- caa cab cac cah cak cal can cau cba cbb cbc cbh cbk cbl cbn cbu cca ccb ccc cch cck ccl ccn ccu ch- cha chb chc chh chk chl chn chu cka ckb ckc ckh cl- cla clb clc clh clk cll cln clu cn- cna cnb cnc cnh cnl cnn cnu cua cub cuc cuh cuk cul cun cuu haa hab hac hah hak hal han hau hba hbb hbc hbh hbk hbl hbn hbu hca hcb hcc hch hck hcl hcn hha hhb hhc hhh hhk hhl hhn hhu hka hkb hkh hkk hkl hkn hku hla hlb hlc hlh hll hln hlu hna hnb hnc hnh hnk hnl hnn hnu hua hub huc huh huk hul hun huu ka- kaa kab kac kah kak kal kan kau kba kbb kbc kbh kbk kbl kbn kbu kca kcb kcc kch kck kcl kcn kcu kha khh khk khn khu kkb kkc kkh kkk kkl kkn kku kl- kla klb klc klh klu kn- kna knc knk knl knn knu kub kuc kuh kuk kul kun kuu la- laa lab lac lah lak lal lan lau lba lbb lbc lbh lbk lbl lbu lca lcb lcc lch lck lcl lcn lcu lha lhb lhc lhh lhk lhu lka lkb lkh lkl lla llb llc llk lll lln llu lna lnb lnc lnh lnk lnl lnn lnu lua lub luc luh luk lul lun luu naa nab nac nah nak nal nan nau nba nbb nbc nbk nbl nbn nbu nca ncb ncc nch nck ncl ncn ncu nha nhb nhc nhh nhk nhl nhn nhu nka nkc nkk nkn nku nla nlb nlc nlh nlk nll nln nlu nna nnb nnc nnh nnk nnl nnn nnu nua nub nuc nuh nuk nul nun nuu ua- uaa uab uac uah uak ual uan uau uba ubb ubc ubh ubk ubl ubn ubu uca ucb ucc uch uck ucl ucn ucu uha uhb uhc uhh uhl uhu uka ukb ukc ukk ukl ukn uku ula ulb ulc ulk ull uln ulu un- una unb unc unh unk unl unn unu uua uuc uun uuu