-al -th a-a a-b a-c a-t aaa aab aac aae aah aal aat aau ab- aba abb abc abe abh abl abt abu ac- aca acb acc ace ach acl act acu aea aeb aec aee aeh ael aet aeu aha ahb ahc ahe ahh ahl aht ahu al- ala alb alc ale alh all alt alu at- ata atb atc ate ath atl att atu au- aua aub auc aue auh aul aut b-u baa bab bac bae bah bal bat bau bba bbb bbc bbe bbh bbl bbt bbu bca bcb bcc bce bch bcl bct bcu be- bea beb bec bee beh bel bet beu bha bhb bhc bhe bhh bhl bht bhu bla blb blc ble blh bll blt blu bta btb btc bte bth btl btt btu bua bub buc bue buh bul but buu c-- caa cab cac cae cah cal cat cau cba cbb cbc cbe cbh cbl cbt cbu cca ccb ccc cce cch ccl cct ccu ce- cea ceb cec cee ceh cel cet ceu ch- cha chb chc che chh chl cht chu cl- cla clb clc cle clh cll clt clu cta ctb ctc cte cth ctl ctt ctu cua cub cuc cue cuh cul cut cuu eaa eab eac eae eah eal eat eau eba ebb ebc ebe ebh ebl ebt ebu ec- eca ecb ecc ece ech ecl ect ecu eea eeb eec eee eel eet eha ehb ehc ehe ehh ehl eht ehu ela elb elc ele elh ell elt elu eta etb etc ete eth etl ett etu eu- eua eub euc eue eul eut haa hab hac hae hah hal hat hau hba hbb hbc hbe hbh hbl hbt hbu hca hcb hcc hce hch hcl hct he- hea heb hec hee heh hel het heu hha hhb hhc hhe hhh hhl hht hhu hla hlb hlc hle hlh hll hlt hlu hta htb htc hte hth htl htt hua hub huc hue huh hul hut huu la- laa lab lac lae lah lal lat lau lba lbb lbc lbe lbh lbl lbt lbu lca lcb lcc lce lch lcl lct lcu lea leb lec lee leh lel let leu lha lhb lhc lhh lht lhu lla llb llc lle lll llt llu lta ltb ltc lte lth ltl ltt ltu lua lub luc lue luh lul lut luu taa tab tac tae tah tal tat tau tba tbb tbc tbe tbh tbl tbt tbu tca tcb tcc tce tch tcl tct tcu te- tea teb tec tee teh tel tet teu th- tha thb thc the thh thl tht thu tla tlc tle tlh tll tlt tlu tta ttb ttc tte tth ttl ttt ttu tua tub tuc tue tuh tul tut tuu ua- uaa uab uac uae uah ual uat uau uba ubb ubc ube ubh ubl ubt ubu uca ucb ucc uce uch ucl uct ucu uea ueb uec uee ueh uel uet uha uhb uhc uhe uhh uhl uht uhu ula ulb ulc ule ull ult ulu uta utb utc ute uth utl utt utu uua uuc uue uut uuu