-al a-a a-c aaa aac aad aak aal aan aas ac- aca acc acd ack acl acn acs ad- ada adc add adk adl adn ads aka akc akd akk akl akn aks al- ala alc ald alk all aln als an- ana anc and ank anl ann ans as- asa asc asd ask asl asn ass c-- caa cac cad cak cal can cas cca ccc ccd cck ccl ccn ccs cda cdc cdd cdk cdl cdn cds cka ckc ckd cks cl- cla clc cld clk cll cln cls cn- cna cnc cnd cnl cnn cns csa csc csd csk csl csn css daa dac dad dak dal dan das dca dcc dcd dck dcl dcn dcs dda ddc ddd ddk ddl ddn dds dka dkc dkk dkl dks dl- dla dlc dld dlk dll dls dna dnc dnd dnk dnl dnn dns dsa dsc dsd dsk dsl dsn dss ka- kaa kac kad kak kal kan kas kca kcc kcd kck kcl kcn kcs kda kdc kdk kdl kds kkc kkk kkl kkn kks kl- kla klc kld kls kn- kna knc knd knk knl knn ksa ksc ksd ksk ksl ksn kss la- laa lac lad lak lal lan las lca lcc lcd lck lcl lcn lcs lda ldc ldd ldk ldl ldn lds lka lkl lks lla llc lld llk lll lln lls lna lnc lnd lnk lnl lnn lns lsa lsc lsd lsk lsl lsn lss naa nac nad nak nal nan nas nca ncc ncd nck ncl ncn ncs nda ndc ndd ndk ndl ndn nds nka nkc nkk nkn nks nla nlc nld nlk nll nln nls nna nnc nnk nnl nnn nns nsa nsc nsd nsk nsl nsn nss saa sac sad sak sal san sas sca scc scd sck scl scn scs sda sdc sdd sdk sdl sdn sds sk- ska skc skd skk skl sks sla slc sld slk sll sln sls sna snc snd snk snl snn sns ss- ssa ssc ssd ssk ssl ssn sss