-al -er a-a a-b a-t aaa aab aae aag aak aal aan aar aat ab- aba abb abe abg abk abl abn abr abt aea aeb aee aeg aek ael aen aer aet ag- aga agb age agg agk agl agn agr agt aka akb ake akg akk akl akn akr al- ala alb ale alg alk all aln alr alt an- ana anb ane ang ank anl ann anr ant ar- ara arb are arg ark arl arn arr art at- ata atb ate atg atl atn atr att baa bab bae bag bak bal ban bar bat bba bbb bbe bbg bbk bbl bbn bbr bbt be- bea beb bee beg bek bel ben ber bet bga bgb bge bgg bgk bgl bgn bgr bgt bka bkb bke bkg bkk bkl bkn bkr bkt bla blb ble blg blk bll bln blr blt bna bnb bne bng bnk bnl bnn bnr bnt bra brb bre brg brk brl brn brr brt bta btb bte btg btk btl btn btr btt eaa eab eae eag eak eal ean ear eat eba ebb ebe ebg ebk ebl ebn ebr ebt eea eeb eee eeg eek eel een eer eet ega egb ege egg egl egn egr egt eka ekb eke ekg ekl ekr ekt ela elb ele elg elk ell eln elr elt en- ena enb ene eng enk enl enn enr ent era erb ere erg erk erl ern err ert eta etb ete etg etk etl etn etr ett gaa gab gae gag gak gal gan gar gat gba gbe gbg gbk gbl gbn gbr gbt ge- gea geb gee geg gek gel gen ger get gga ggb ggg ggn ggr ggt gka gkb gkn gkt gla glb gle glg glk gll gln glr glt gna gnb gne gnl gnn gnr gnt gra grb gre grg grk grl grn grr grt gta gtb gte gtg gtk gtl gtn gtr gtt k-t ka- kaa kab kae kag kak kal kan kar kat kba kbb kbe kbk kbl kbn kbr ke- kea keb kee keg kek kel ken ker ket kga kgb kgl kkb kke kkk kkl kkn kkr kkt kl- kla klb klg klr klt kn- kna kne kng knk knl knn knr knt kra krg krk krl krn krr krt kta ktb kte ktg ktk ktl ktn ktr ktt la- laa lab lae lag lak lal lan lar lat lba lbb lbe lbg lbk lbl lbr lbt lea leb lee leg lek lel len ler let lga lgb lge lgg lgk lgl lgn lgr lgt lka lkb lkg lkl lkr lkt lla llb lle llg llk lll lln llr llt lna lnb lne lng lnk lnl lnn lnr lnt lra lrb lrg lrk lrn lrr lrt lta ltb lte ltg ltk ltl ltr ltt naa nab nae nag nak nal nan nar nat nba nbb nbe nbg nbk nbl nbn nbr nbt ne- nea neb nee neg nek nel nen ner net nga ngb nge ngg ngk ngl ngn ngt nka nke nkk nkn nkr nkt nla nlb nle nlg nlk nll nln nlr nlt nna nnb nne nng nnk nnl nnn nnt nra nrb nre nrg nrk nrl nrn nrr nrt nta ntb nte ntg ntk ntn ntr ntt ra- raa rab rae rag rak ral ran rar rat rba rbb rbe rbg rbk rbl rbn rbr rbt re- rea reb ree reg rek rel ren rer ret rga rgb rge rgg rgk rgn rgr rgt rkb rke rkg rkk rkt rla rle rlg rll rln rlr rlt rna rnb rng rnn rnr rnt rra rrb rrg rrk rrl rrn rrr rrt rta rtb rte rtg rtk rtl rtn rtr rtt taa tab tae tag tak tal tan tar tat tba tbb tbe tbg tbk tbl tbn tbr tbt te- tea teb tee teg tek tel ten ter tet tga tgb tge tgg tgk tgl tgn tgr tgt tka tkb tke tkg tkk tkl tkr tkt tla tle tlg tlk tll tln tlr tlt tna tnb tne tng tnk tnl tnn tnr tnt tra trb tre trg trk trl trn trr trt tta ttb tte ttg ttk ttl ttn ttr ttt