-al -er a-a a-b aaa aab aae aag aaj aak aal aan aar ab- aba abb abe abg abj abk abl abn abr aea aeb aee aeg aej aek ael aen aer ag- aga agb age agg agj agk agl agn agr aja ajb aje ajj ajk ajl ajn ajr aka akb ake akg akj akk akl akn akr al- ala alb ale alg alj alk all aln alr an- ana anb ane ang anj ank anl ann anr ar- ara arb are arg arj ark arl arn arr baa bab bae bag baj bak bal ban bar bba bbb bbe bbg bbk bbl bbn bbr be- bea beb bee beg bek bel ben ber bga bgb bge bgg bgk bgl bgn bgr bja bjg bjj bjk bjn bjr bka bkb bke bkg bkk bkl bkn bkr bla blb ble blg blj blk bll bln blr bna bnb bne bng bnj bnk bnl bnn bnr bra brb bre brg brj brk brl brn brr eaa eab eae eag eaj eak eal ean ear eba ebb ebe ebg ebj ebk ebl ebn ebr eea eeb eee eeg eek eel een eer ega egb ege egg egl egn egr eja ejl eka ekb eke ekg ekl ekr ela elb ele elg elk ell eln elr en- ena enb ene eng enk enl enn enr era erb ere erg erk erl ern err gaa gab gae gag gaj gak gal gan gar gba gbe gbg gbj gbk gbl gbn gbr ge- gea geb gee geg gek gel gen ger gga ggb ggg ggj ggn ggr gja gje gjg gjr gka gkb gkn gla glb gle glg glj glk gll gln glr gna gnb gne gnl gnn gnr gra grb gre grg grj grk grl grn grr jaa jab jae jag jaj jak jal jan jar jba jbg jbj jbk jbl jbr jea jeb jee jeg jej jek jel jen jer jga jgb jge jgn jgr jja jjb jjg jjj jjk jjl jjr jka jkb jkk jkl jkn jkr jla jlb jle jlg jll jln jlr jna jne jng jnj jnl jnn jnr jra jrb jrg jrk jrl jrn jrr ka- kaa kab kae kag kaj kak kal kan kar kba kbb kbe kbk kbl kbn kbr ke- kea keb kee keg kek kel ken ker kga kgb kgl kjb kje kjr kkb kke kkk kkl kkn kkr kl- kla klb klg klr kn- kna kne kng knk knl knn knr kra krg krk krl krn krr la- laa lab lae lag laj lak lal lan lar lba lbb lbe lbg lbj lbk lbl lbr lea leb lee leg lej lek lel len ler lga lgb lge lgg lgj lgk lgl lgn lgr lje ljj ljn lka lkb lkg lkl lkr lla llb lle llg llj llk lll lln llr lna lnb lne lng lnk lnl lnn lnr lra lrb lrg lrk lrn lrr naa nab nae nag naj nak nal nan nar nba nbb nbe nbg nbk nbl nbn nbr ne- nea neb nee neg nej nek nel nen ner nga ngb nge ngg ngj ngk ngl ngn nja nje njk njl njn nka nke nkj nkk nkn nkr nla nlb nle nlg nlj nlk nll nln nlr nna nnb nne nng nnk nnl nnn nra nrb nre nrg nrj nrk nrl nrn nrr ra- raa rab rae rag raj rak ral ran rar rba rbb rbe rbg rbk rbl rbn rbr re- rea reb ree reg rek rel ren rer rga rgb rge rgg rgk rgn rgr rja rjg rjk rjr rkb rke rkg rkk rla rle rlg rll rln rlr rna rnb rng rnn rnr rra rrb rrg rrk rrl rrn rrr