-al a-a a-c aaa aac aad aak aal aar aas ac- aca acc acd ack acl acr acs ad- ada adc add adk adl adr ads aka akc akd akk akl akr aks al- ala alc ald alk all alr als ar- ara arc ard ark arl arr ars as- asa asc asd ask asl asr ass c-- caa cac cad cak cal car cas cca ccc ccd cck ccl ccr ccs cda cdc cdd cdk cdl cdr cds cka ckc ckd cks cl- cla clc cld clk cll clr cls cra crc crd crk crl crr crs csa csc csd csk csl csr css daa dac dad dak dal dar das dca dcc dcd dck dcl dcr dcs dda ddc ddd ddk ddl ddr dds dka dkc dkk dkl dkr dks dl- dla dlc dld dlk dll dlr dls dra drc drd drk drl drr drs dsa dsc dsd dsk dsl dsr dss ka- kaa kac kad kak kal kar kas kca kcc kcd kck kcl kcr kcs kda kdc kdk kdl kdr kds kkc kkk kkl kkr kks kl- kla klc kld klr kls kra krc krd krk krl krr krs ksa ksc ksd ksk ksl ksr kss la- laa lac lad lak lal lar las lca lcc lcd lck lcl lcr lcs lda ldc ldd ldk ldl ldr lds lka lkl lkr lks lla llc lld llk lll llr lls lra lrc lrd lrk lrr lrs lsa lsc lsd lsk lsl lsr lss ra- raa rac rad rak ral rar ras rca rcc rcd rcl rcr rcs rda rdc rdd rdl rdr rds rkc rkk rks rla rlc rld rll rlr rls rra rrc rrd rrk rrl rrr rrs rsa rsc rsd rsk rsl rsr rss saa sac sad sak sal sar sas sca scc scd sck scl scr scs sda sdc sdd sdk sdl sdr sds sk- ska skc skd skk skl skr sks sla slc sld slk sll slr sls sr- sra src srd srk srl srr srs ss- ssa ssc ssd ssk ssl ssr sss