-al a-a a-c aaa aac aad aak aal aas ac- aca acc acd ack acl acs ad- ada adc add adk adl ads aka akc akd akk akl aks al- ala alc ald alk all als as- asa asc asd ask asl ass c-- caa cac cad cak cal cas cca ccc ccd cck ccl ccs cda cdc cdd cdk cdl cds cka ckc ckd cks cl- cla clc cld clk cll cls csa csc csd csk csl css daa dac dad dak dal das dca dcc dcd dck dcl dcs dda ddc ddd ddk ddl dds dka dkc dkk dkl dks dl- dla dlc dld dlk dll dls dsa dsc dsd dsk dsl dss ka- kaa kac kad kak kal kas kca kcc kcd kck kcl kcs kda kdc kdk kdl kds kkc kkk kkl kks kl- kla klc kld kls ksa ksc ksd ksk ksl kss la- laa lac lad lak lal las lca lcc lcd lck lcl lcs lda ldc ldd ldk ldl lds lka lkl lks lla llc lld llk lll lls lsa lsc lsd lsk lsl lss saa sac sad sak sal sas sca scc scd sck scl scs sda sdc sdd sdk sdl sds sk- ska skc skd skk skl sks sla slc sld slk sll sls ss- ssa ssc ssd ssk ssl sss