-al a-a a-b a-c aaa aab aac aah aal aan aau ab- aba abb abc abh abl abn abu ac- aca acb acc ach acl acn acu aha ahb ahc ahh ahl ahn ahu al- ala alb alc alh all aln alu an- ana anb anc anh anl ann anu au- aua aub auc auh aul aun b-u baa bab bac bah bal ban bau bba bbb bbc bbh bbl bbn bbu bca bcb bcc bch bcl bcn bcu bha bhb bhc bhh bhl bhu bla blb blc blh bll bln blu bna bnb bnc bnl bnn bnu bua bub buc buh bul bun buu c-- caa cab cac cah cal can cau cba cbb cbc cbh cbl cbn cbu cca ccb ccc cch ccl ccn ccu ch- cha chb chc chh chl chn chu cl- cla clb clc clh cll cln clu cn- cna cnb cnc cnh cnl cnn cnu cua cub cuc cuh cul cun cuu haa hab hac hah hal han hau hba hbb hbc hbh hbl hbn hbu hca hcb hcc hch hcl hcn hha hhb hhc hhh hhl hhn hhu hla hlb hlc hlh hll hln hlu hna hnb hnc hnh hnl hnn hnu hua hub huc huh hul hun huu la- laa lab lac lah lal lan lau lba lbb lbc lbh lbl lbu lca lcb lcc lch lcl lcn lcu lha lhb lhc lhh lhu lla llb llc lll lln llu lna lnb lnc lnh lnl lnn lnu lua lub luc luh lul lun luu naa nab nac nah nal nan nau nba nbb nbc nbl nbn nbu nca ncb ncc nch ncl ncn ncu nha nhb nhc nhh nhl nhn nhu nla nlb nlc nlh nll nln nlu nna nnb nnc nnh nnl nnn nnu nua nub nuc nuh nul nun nuu ua- uaa uab uac uah ual uan uau uba ubb ubc ubh ubl ubn ubu uca ucb ucc uch ucl ucn ucu uha uhb uhc uhh uhl uhu ula ulb ulc ull uln ulu un- una unb unc unh unl unn unu uua uuc uun uuu