-al a-a a-b a-c aaa aab aac aae aaj aak aal aau ab- aba abb abc abe abj abk abl abu ac- aca acb acc ace acj ack acl acu aea aeb aec aee aej aek ael aeu aja ajb ajc aje ajj ajk ajl aju aka akb akc ake akj akk akl aku al- ala alb alc ale alj alk all alu au- aua aub auc aue auj auk aul b-u baa bab bac bae baj bak bal bau bba bbb bbc bbe bbk bbl bbu bca bcb bcc bce bcj bck bcl bcu be- bea beb bec bee bek bel beu bja bjc bjj bjk bju bka bkb bkc bke bkk bkl bla blb blc ble blj blk bll blu bua bub buc bue buj buk bul buu c-- c-j caa cab cac cae caj cak cal cau cba cbb cbc cbe cbj cbk cbl cbu cca ccb ccc cce ccj cck ccl ccu ce- cea ceb cec cee cej cek cel ceu cja cjb cjc cjk cka ckb ckc cl- cla clb clc cle clj clk cll clu cua cub cuc cue cuk cul cuu eaa eab eac eae eaj eak eal eau eba ebb ebc ebe ebj ebk ebl ebu ec- eca ecb ecc ece ecj eck ecl ecu eea eeb eec eee eek eel eja ejc ejl eju eka ekb ekc eke ekl eku ela elb elc ele elk ell elu eu- eua eub euc eue euj eul jaa jab jac jae jaj jak jal jau jba jbc jbj jbk jbl jbu jca jcb jcc jce jck jcl jcu jea jeb jec jee jej jek jel jeu jja jjb jjc jjj jjk jjl jju jka jkb jkk jkl jku jla jlb jlc jle jll jlu jub jue juk jul ka- kaa kab kac kae kaj kak kal kau kba kbb kbc kbe kbk kbl kbu kca kcb kcc kce kck kcl kcu ke- kea keb kec kee kek kel kjb kjc kje kju kkb kkc kke kkk kkl kku kl- kla klb klc klu kub kuc kue kuj kuk kul kuu la- laa lab lac lae laj lak lal lau lba lbb lbc lbe lbj lbk lbl lbu lca lcb lcc lce lcj lck lcl lcu lea leb lec lee lej lek lel leu lje ljj lju lka lkb lkl lla llb llc lle llj llk lll llu lua lub luc lue luk lul luu ua- uaa uab uac uae uaj uak ual uau uba ubb ubc ube ubk ubl ubu uca ucb ucc uce ucj uck ucl ucu uea ueb uec uee uel ujc uka ukb ukc uke ukk ukl uku ula ulb ulc ule ulk ull ulu uua uuc uue uuu