-al -er a-a a-c aaa aac aae aak aal aar ac- aca acc ace ack acl acr aea aec aee aek ael aer aka akc ake akk akl akr al- ala alc ale alk all alr ar- ara arc are ark arl arr c-- caa cac cae cak cal car cca ccc cce cck ccl ccr ce- cea cec cee cek cel cer cka ckc cl- cla clc cle clk cll clr cra crc cre crk crl crr eaa eac eae eak eal ear ec- eca ecc ece eck ecl ecr eea eec eee eek eel eer eka ekc eke ekl ekr ela elc ele elk ell elr era erc ere erk erl err ka- kaa kac kae kak kal kar kca kcc kce kck kcl kcr ke- kea kec kee kek kel ker kkc kke kkk kkl kkr kl- kla klc klr kra krc krk krl krr la- laa lac lae lak lal lar lca lcc lce lck lcl lcr lea lec lee lek lel ler lka lkl lkr lla llc lle llk lll llr lra lrc lrk lrr ra- raa rac rae rak ral rar rca rcc rce rcl rcr re- rea rec ree rek rel rer rkc rke rkk rla rlc rle rll rlr rra rrc rrk rrl rrr