-al -er a-a a-b a-t aaa aab aae aaf aak aal aam aan aar aat ab- aba abb abe abf abk abl abm abn abr abt aea aeb aee aef aek ael aem aen aer aet af- afa afb afe aff afk afl afm afn afr aft aka akb ake akk akl akm akn akr al- ala alb ale alf alk all alm aln alr alt ama amb ame amf amk aml amm amn amr amt an- ana anb ane anf ank anl anm ann anr ant ar- ara arb are arf ark arl arm arn arr art at- ata atb ate atf atl atm atn atr att baa bab bae baf bak bal bam ban bar bat bba bbb bbe bbf bbk bbl bbm bbn bbr bbt be- bea beb bee bef bek bel bem ben ber bet bfa bfb bfe bff bfl bfm bfn bfr bft bka bkb bke bkf bkk bkl bkm bkn bkr bkt bla blb ble blf blk bll blm bln blr blt bma bmb bme bmf bmk bml bmm bmn bmr bmt bna bnb bne bnf bnk bnl bnn bnr bnt bra brb bre brf brk brl brm brn brr brt bta btb bte btf btk btl btm btn btr btt eaa eab eae eaf eak eal eam ean ear eat eba ebb ebe ebf ebk ebl ebm ebn ebr ebt eea eeb eee eef eek eel eem een eer eet ef- efa efb efe eff efl efm efr eft eka ekb eke ekf ekl ekr ekt ela elb ele elf elk ell elm eln elr elt em- ema emb eme emf emk eml emm emn emr emt en- ena enb ene enf enk enl enm enn enr ent era erb ere erf erk erl erm ern err ert eta etb ete etf etk etl etm etn etr ett faa fab fae faf fak fal fam fan far fat fba fbb fbe fbf fbk fbl fbm fbn fbr fbt fea feb fee fef fek fel fem fen fer fet ffa ffe fff ffk ffl ffm ffn ffr fft fka fkb fkf fkk fkl fkm fkt fla flb fle flf fll flm fln flr flt fma fmb fme fmf fml fmm fmn fmr fmt fna fnb fne fnf fnk fnl fnm fnn fnr fnt fra frb fre frf frk frl frm frn frr frt fta ftb fte ftf ftk ftl ftm ftn ftr ftt k-t ka- kaa kab kae kaf kak kal kam kan kar kat kba kbb kbe kbf kbk kbl kbm kbn kbr ke- kea keb kee kef kek kel kem ken ker ket kfa kff kfm kkb kke kkk kkl kkm kkn kkr kkt kl- kla klb klf klm klr klt kma kmb kme kmf kmk kml kmm kmt kn- kna kne knf knk knl knm knn knr knt kra krf krk krl krn krr krt kta ktb kte ktf ktk ktl ktm ktn ktr ktt la- laa lab lae laf lak lal lam lan lar lat lba lbb lbe lbf lbk lbl lbm lbr lbt lea leb lee lef lek lel lem len ler let lfa lfb lfe lff lfk lfl lfm lfn lfr lft lka lkb lkl lkr lkt lla llb lle llf llk lll llm lln llr llt lma lmb lme lmf lmk lml lmm lmn lmr lmt lna lnb lne lnk lnl lnm lnn lnr lnt lra lrb lrf lrk lrm lrn lrr lrt lta ltb lte ltf ltk ltl ltm ltr ltt m-f m-r maa mab mae maf mak mal mam man mar mat mba mbb mbe mbf mbk mbl mbm mbr mbt mea meb mee mef mek mel mem men mer met mfa mfb mfe mff mfl mfm mfn mfr mft mka mkb mke mkk mkl mkm mkn mkr mkt mla mlb mle mlf mlk mll mlm mln mlr mlt mma mmb mme mmf mmk mml mmm mmn mmr mmt mna mnb mne mnf mnk mnl mnm mnn mnr mnt mra mrb mre mrf mrk mrl mrm mrn mrr mrt mta mtb mte mtf mtk mtl mtm mtn mtr mtt naa nab nae naf nak nal nam nan nar nat nba nbb nbe nbf nbk nbl nbm nbn nbr nbt ne- nea neb nee nef nek nel nem nen ner net nfa nfb nfe nff nfk nfl nfn nfr nft nka nke nkf nkk nkm nkn nkr nkt nla nlb nle nlf nlk nll nlm nln nlr nlt nma nmb nme nmk nml nmm nmn nmr nmt nna nnb nne nnf nnk nnl nnm nnn nnt nra nrb nre nrf nrk nrl nrm nrn nrr nrt nta ntb nte ntf ntk ntm ntn ntr ntt ra- raa rab rae raf rak ral ram ran rar rat rba rbb rbe rbf rbk rbl rbm rbn rbr rbt re- rea reb ree ref rek rel rem ren rer ret rfa rfb rfe rff rfk rfl rfm rfn rfr rft rkb rke rkf rkk rkm rkt rla rle rlf rll rlm rln rlr rlt rma rmb rme rmf rml rmm rmn rmr rmt rna rnb rnm rnn rnr rnt rra rrb rrf rrk rrl rrm rrn rrr rrt rta rtb rte rtf rtk rtl rtm rtn rtr rtt taa tab tae taf tak tal tam tan tar tat tba tbb tbe tbf tbk tbl tbm tbn tbr tbt te- tea teb tee tef tek tel tem ten ter tet tfa tfb tfe tff tfk tfl tfm tfn tfr tft tka tkb tke tkk tkl tkm tkr tkt tla tle tlf tlk tll tlm tln tlr tlt tma tmb tme tmf tmk tml tmm tmn tmr tmt tna tnb tne tnf tnk tnl tnm tnn tnr tnt tra trb tre trf trk trl trm trn trr trt tta ttb tte ttf ttk ttl ttm ttn ttr ttt