-al a-a a-b a-c aaa aab aac aad aae aaj aak aal aau ab- aba abb abc abd abe abj abk abl abu ac- aca acb acc acd ace acj ack acl acu ad- ada adb adc add ade adj adk adl adu aea aeb aec aed aee aej aek ael aeu aja ajb ajc ajd aje ajj ajk ajl aju aka akb akc akd ake akj akk akl aku al- ala alb alc ald ale alj alk all alu au- aua aub auc aud aue auj auk aul b-u baa bab bac bad bae baj bak bal bau bba bbb bbc bbd bbe bbk bbl bbu bca bcb bcc bcd bce bcj bck bcl bcu bda bdb bdc bdd bde bdj bdk bdl bdu be- bea beb bec bed bee bek bel beu bja bjc bjd bjj bjk bju bka bkb bkc bke bkk bkl bla blb blc bld ble blj blk bll blu bua bub buc bud bue buj buk bul buu c-- c-j caa cab cac cad cae caj cak cal cau cba cbb cbc cbd cbe cbj cbk cbl cbu cca ccb ccc ccd cce ccj cck ccl ccu cda cdb cdc cdd cde cdj cdk cdl cdu ce- cea ceb cec ced cee cej cek cel ceu cja cjb cjc cjd cjk cka ckb ckc ckd cl- cla clb clc cld cle clj clk cll clu cua cub cuc cud cue cuk cul cuu daa dab dac dad dae daj dak dal dau dba dbb dbc dbd dbe dbk dbl dbu dca dcb dcc dcd dce dck dcl dcu dda ddb ddc ddd dde ddk ddl ddu de- dea deb dec ded dee dej dek del deu dj- dja djb djc djd dje djk djl dka dkb dkc dke dkk dkl dku dl- dla dlb dlc dld dle dlj dlk dll dlu dua dub duc dud due duk dul eaa eab eac ead eae eaj eak eal eau eba ebb ebc ebd ebe ebj ebk ebl ebu ec- eca ecb ecc ecd ece ecj eck ecl ecu ed- eda edb edc edd ede edj edk edl edu eea eeb eec eed eee eek eel eja ejc ejd ejl eju eka ekb ekc ekd eke ekl eku ela elb elc eld ele elk ell elu eu- eua eub euc eud eue euj eul j-d jaa jab jac jad jae jaj jak jal jau jba jbc jbj jbk jbl jbu jca jcb jcc jcd jce jck jcl jcu jda jdb jdc jde jdl jea jeb jec jed jee jej jek jel jeu jja jjb jjc jjj jjk jjl jju jka jkb jkk jkl jku jla jlb jlc jle jll jlu jub jud jue juk jul ka- kaa kab kac kad kae kaj kak kal kau kba kbb kbc kbd kbe kbk kbl kbu kca kcb kcc kcd kce kck kcl kcu kda kdb kdc kde kdk kdl kdu ke- kea keb kec ked kee kek kel kjb kjc kje kju kkb kkc kke kkk kkl kku kl- kla klb klc kld klu kub kuc kud kue kuj kuk kul kuu la- laa lab lac lad lae laj lak lal lau lba lbb lbc lbd lbe lbj lbk lbl lbu lca lcb lcc lcd lce lcj lck lcl lcu lda ldb ldc ldd lde ldj ldk ldl ldu lea leb lec led lee lej lek lel leu lje ljj lju lka lkb lkl lla llb llc lld lle llj llk lll llu lua lub luc lud lue luk lul luu ua- uaa uab uac uad uae uaj uak ual uau uba ubb ubc ube ubk ubl ubu uca ucb ucc ucd uce ucj uck ucl ucu uda udb udc udd ude udj udk udl udu uea ueb uec ued uee uel ujc uka ukb ukc uke ukk ukl uku ula ulb ulc uld ule ulk ull ulu uua uuc uue uuu