-al a-a aaa aaf aak aal aas af- afa aff afk afl afs aka akk akl aks al- ala alf alk all als as- asa asf ask asl ass faa faf fak fal fas ffa fff ffk ffl ffs fka fkf fkk fkl fla flf fll fls fsa fsf fsk fsl fss ka- kaa kaf kak kal kas kfa kff kfs kkk kkl kks kl- kla klf kls ksa ksf ksk ksl kss la- laa laf lak lal las lfa lff lfk lfl lfs lka lkl lks lla llf llk lll lls lsa lsf lsk lsl lss saa saf sak sal sas sfa sff sfk sfl sfs sk- ska skf skk skl sks sla slf slk sll sls ss- ssa ssf ssk ssl sss