-al -er a-a aaa aae aak aal aan aar aea aee aek ael aen aer aka ake akk akl akn akr al- ala ale alk all aln alr an- ana ane ank anl ann anr ar- ara are ark arl arn arr eaa eae eak eal ean ear eea eee eek eel een eer eka eke ekl ekr ela ele elk ell eln elr en- ena ene enk enl enn enr era ere erk erl ern err ka- kaa kae kak kal kan kar ke- kea kee kek kel ken ker kke kkk kkl kkn kkr kl- kla klr kn- kna kne knk knl knn knr kra krk krl krn krr la- laa lae lak lal lan lar lea lee lek lel len ler lka lkl lkr lla lle llk lll lln llr lna lne lnk lnl lnn lnr lra lrk lrn lrr naa nae nak nal nan nar ne- nea nee nek nel nen ner nka nke nkk nkn nkr nla nle nlk nll nln nlr nna nne nnk nnl nnn nra nre nrk nrl nrn nrr ra- raa rae rak ral ran rar re- rea ree rek rel ren rer rke rkk rla rle rll rln rlr rna rnn rnr rra rrk rrl rrn rrr