a-a a-b a-c aaa aab aac aad aae aag aaj aak aau ab- aba abb abc abd abe abg abj abk abu ac- aca acb acc acd ace acg acj ack acu ad- ada adb adc add ade adg adj adk adu aea aeb aec aed aee aeg aej aek aeu ag- aga agb agc agd age agg agj agk agu aja ajb ajc ajd aje ajj ajk aju aka akb akc akd ake akg akj akk aku au- aua aub auc aud aue aug auj auk b-u baa bab bac bad bae bag baj bak bau bba bbb bbc bbd bbe bbg bbk bbu bca bcb bcc bcd bce bcg bcj bck bcu bda bdb bdc bdd bde bdg bdj bdk bdu be- bea beb bec bed bee beg bek beu bga bgb bgc bgd bge bgg bgk bgu bja bjc bjd bjg bjj bjk bju bka bkb bkc bke bkg bkk bua bub buc bud bue bug buj buk buu c-- c-j caa cab cac cad cae cag caj cak cau cba cbb cbc cbd cbe cbg cbj cbk cbu cca ccb ccc ccd cce ccg ccj cck ccu cda cdb cdc cdd cde cdg cdj cdk cdu ce- cea ceb cec ced cee ceg cej cek ceu cga cgb cgc cgd cge cgg cgu cja cjb cjc cjd cjg cjk cka ckb ckc ckd cua cub cuc cud cue cug cuk cuu daa dab dac dad dae dag daj dak dau dba dbb dbc dbd dbe dbg dbk dbu dca dcb dcc dcd dce dcg dck dcu dda ddb ddc ddd dde ddg ddk ddu de- dea deb dec ded dee deg dej dek deu dga dgc dgd dge dgg dgk dgu dj- dja djb djc djd dje djg djk dka dkb dkc dke dkg dkk dku dua dub duc dud due dug duk eaa eab eac ead eae eag eaj eak eau eba ebb ebc ebd ebe ebg ebj ebk ebu ec- eca ecb ecc ecd ece ecg ecj eck ecu ed- eda edb edc edd ede edg edj edk edu eea eeb eec eed eee eeg eek ega egb egc egd ege egg egu eja ejc ejd eju eka ekb ekc ekd eke ekg eku eu- eua eub euc eud eue eug euj g-d gaa gab gac gad gae gag gaj gak gau gba gbc gbd gbe gbg gbj gbk gbu gca gcb gcc gcd gce gcg gck gcu gda gdb gdc gdd gde gdk gdu ge- gea geb gec ged gee geg gek geu gga ggb ggc ggd ggg ggj ggu gja gjc gje gjg gka gkb gkd gu- gua gub guc gud gue gug guj guk guu j-d jaa jab jac jad jae jag jaj jak jau jba jbc jbg jbj jbk jbu jca jcb jcc jcd jce jck jcu jda jdb jdc jde jdg jea jeb jec jed jee jeg jej jek jeu jga jgb jge jgu jja jjb jjc jjg jjj jjk jju jka jkb jkk jku jub jud jue jug juk ka- kaa kab kac kad kae kag kaj kak kau kba kbb kbc kbd kbe kbk kbu kca kcb kcc kcd kce kcg kck kcu kda kdb kdc kde kdg kdk kdu ke- kea keb kec ked kee keg kek kga kgb kgc kgd kgu kjb kjc kje kju kkb kkc kke kkk kku kub kuc kud kue kug kuj kuk kuu ua- uaa uab uac uad uae uag uaj uak uau uba ubb ubc ube ubg ubk ubu uca ucb ucc ucd uce ucg ucj uck ucu uda udb udc udd ude udg udj udk udu uea ueb uec ued uee ueg uga ugb ugc uge ugg ugk ugu ujc uka ukb ukc uke ukk uku uua uuc uue uug uuu