-al -er a-a a-b aaa aab aae aaf aaj aak aal aam aar ab- aba abb abe abf abj abk abl abm abr aea aeb aee aef aej aek ael aem aer af- afa afb afe aff afj afk afl afm afr aja ajb aje ajf ajj ajk ajl ajm ajr aka akb ake akj akk akl akm akr al- ala alb ale alf alj alk all alm alr ama amb ame amf amk aml amm amr ar- ara arb are arf arj ark arl arm arr baa bab bae baf baj bak bal bam bar bba bbb bbe bbf bbk bbl bbm bbr be- bea beb bee bef bek bel bem ber bfa bfb bfe bff bfj bfl bfm bfr bja bjf bjj bjk bjm bjr bka bkb bke bkf bkk bkl bkm bkr bla blb ble blf blj blk bll blm blr bma bmb bme bmf bmj bmk bml bmm bmr bra brb bre brf brj brk brl brm brr eaa eab eae eaf eaj eak eal eam ear eba ebb ebe ebf ebj ebk ebl ebm ebr eea eeb eee eef eek eel eem eer ef- efa efb efe eff efl efm efr eja ejf ejl eka ekb eke ekf ekl ekr ela elb ele elf elk ell elm elr em- ema emb eme emf emk eml emm emr era erb ere erf erk erl erm err faa fab fae faf faj fak fal fam far fba fbb fbe fbf fbk fbl fbm fbr fea feb fee fef fek fel fem fer ffa ffe fff ffk ffl ffm ffr fja fjb fjm fka fkb fkf fkj fkk fkl fkm fla flb fle flf fll flm flr fma fmb fme fmf fmj fml fmm fmr fra frb fre frf frj frk frl frm frr jaa jab jae jaf jaj jak jal jam jar jba jbf jbj jbk jbl jbm jbr jea jeb jee jef jej jek jel jem jer jfa jfb jfe jff jfj jfk jfl jfm jfr jja jjb jjf jjj jjk jjl jjr jka jkb jkk jkl jkm jkr jla jlb jle jlf jll jlm jlr jma jmb jme jmf jmj jml jmm jmr jra jrb jrf jrk jrl jrm jrr ka- kaa kab kae kaf kaj kak kal kam kar kba kbb kbe kbf kbk kbl kbm kbr ke- kea keb kee kef kek kel kem ker kfa kff kfm kjb kje kjr kkb kke kkk kkl kkm kkr kl- kla klb klf klm klr kma kmb kme kmf kmj kmk kml kmm kra krf krk krl krr la- laa lab lae laf laj lak lal lam lar lba lbb lbe lbf lbj lbk lbl lbm lbr lea leb lee lef lej lek lel lem ler lfa lfb lfe lff lfk lfl lfm lfr lje ljf ljj ljm lka lkb lkl lkr lla llb lle llf llj llk lll llm llr lma lmb lme lmf lmj lmk lml lmm lmr lra lrb lrf lrk lrm lrr m-f m-r maa mab mae maf maj mak mal mam mar mba mbb mbe mbf mbj mbk mbl mbm mbr mea meb mee mef mej mek mel mem mer mfa mfb mfe mff mfj mfl mfm mfr mjb mje mjj mjk mjl mjm mjr mka mkb mke mkk mkl mkm mkr mla mlb mle mlf mlk mll mlm mlr mma mmb mme mmf mmj mmk mml mmm mmr mra mrb mre mrf mrj mrk mrl mrm mrr ra- raa rab rae raf raj rak ral ram rar rba rbb rbe rbf rbk rbl rbm rbr re- rea reb ree ref rek rel rem rer rfa rfb rfe rff rfj rfk rfl rfm rfr rja rjf rjk rjm rjr rkb rke rkf rkk rkm rla rle rlf rll rlm rlr rma rmb rme rmf rml rmm rmr rra rrb rrf rrk rrl rrm rrr