-al a-a a-b a-c aaa aab aac aae aaj aal aau ab- aba abb abc abe abj abl abu ac- aca acb acc ace acj acl acu aea aeb aec aee aej ael aeu aja ajb ajc aje ajj ajl aju al- ala alb alc ale alj all alu au- aua aub auc aue auj aul b-u baa bab bac bae baj bal bau bba bbb bbc bbe bbl bbu bca bcb bcc bce bcj bcl bcu be- bea beb bec bee bel beu bja bjc bjj bju bla blb blc ble blj bll blu bua bub buc bue buj bul buu c-- c-j caa cab cac cae caj cal cau cba cbb cbc cbe cbj cbl cbu cca ccb ccc cce ccj ccl ccu ce- cea ceb cec cee cej cel ceu cja cjb cjc cl- cla clb clc cle clj cll clu cua cub cuc cue cul cuu eaa eab eac eae eaj eal eau eba ebb ebc ebe ebj ebl ebu ec- eca ecb ecc ece ecj ecl ecu eea eeb eec eee eel eja ejc ejl eju ela elb elc ele ell elu eu- eua eub euc eue euj eul jaa jab jac jae jaj jal jau jba jbc jbj jbl jbu jca jcb jcc jce jcl jcu jea jeb jec jee jej jel jeu jja jjb jjc jjj jjl jju jla jlb jlc jle jll jlu jub jue jul la- laa lab lac lae laj lal lau lba lbb lbc lbe lbj lbl lbu lca lcb lcc lce lcj lcl lcu lea leb lec lee lej lel leu lje ljj lju lla llb llc lle llj lll llu lua lub luc lue lul luu ua- uaa uab uac uae uaj ual uau uba ubb ubc ube ubl ubu uca ucb ucc uce ucj ucl ucu uea ueb uec uee uel ujc ula ulb ulc ule ull ulu uua uuc uue uuu