-al a-a a-b aaa aab aae aag aaj aak aal aan ab- aba abb abe abg abj abk abl abn aea aeb aee aeg aej aek ael aen ag- aga agb age agg agj agk agl agn aja ajb aje ajj ajk ajl ajn aka akb ake akg akj akk akl akn al- ala alb ale alg alj alk all aln an- ana anb ane ang anj ank anl ann baa bab bae bag baj bak bal ban bba bbb bbe bbg bbk bbl bbn be- bea beb bee beg bek bel ben bga bgb bge bgg bgk bgl bgn bja bjg bjj bjk bjn bka bkb bke bkg bkk bkl bkn bla blb ble blg blj blk bll bln bna bnb bne bng bnj bnk bnl bnn eaa eab eae eag eaj eak eal ean eba ebb ebe ebg ebj ebk ebl ebn eea eeb eee eeg eek eel een ega egb ege egg egl egn eja ejl eka ekb eke ekg ekl ela elb ele elg elk ell eln en- ena enb ene eng enk enl enn gaa gab gae gag gaj gak gal gan gba gbe gbg gbj gbk gbl gbn ge- gea geb gee geg gek gel gen gga ggb ggg ggj ggn gja gje gjg gka gkb gkn gla glb gle glg glj glk gll gln gna gnb gne gnl gnn jaa jab jae jag jaj jak jal jan jba jbg jbj jbk jbl jea jeb jee jeg jej jek jel jen jga jgb jge jgn jja jjb jjg jjj jjk jjl jka jkb jkk jkl jkn jla jlb jle jlg jll jln jna jne jng jnj jnl jnn ka- kaa kab kae kag kaj kak kal kan kba kbb kbe kbk kbl kbn ke- kea keb kee keg kek kel ken kga kgb kgl kjb kje kkb kke kkk kkl kkn kl- kla klb klg kn- kna kne kng knk knl knn la- laa lab lae lag laj lak lal lan lba lbb lbe lbg lbj lbk lbl lea leb lee leg lej lek lel len lga lgb lge lgg lgj lgk lgl lgn lje ljj ljn lka lkb lkg lkl lla llb lle llg llj llk lll lln lna lnb lne lng lnk lnl lnn naa nab nae nag naj nak nal nan nba nbb nbe nbg nbk nbl nbn ne- nea neb nee neg nej nek nel nen nga ngb nge ngg ngj ngk ngl ngn nja nje njk njl njn nka nke nkj nkk nkn nla nlb nle nlg nlj nlk nll nln nna nnb nne nng nnk nnl nnn