-al -ol a-a aaa aad aak aal aao aar aas ad- ada add adk adl ado adr ads aka akd akk akl ako akr aks al- ala ald alk all alo alr als aoa aod aok aol aoo aor aos ar- ara ard ark arl aro arr ars as- asa asd ask asl aso asr ass daa dad dak dal dao dar das dda ddd ddk ddl ddo ddr dds dka dkk dkl dko dkr dks dl- dla dld dlk dll dlo dlr dls doa dod dok dol doo dor dos dra drd drk drl dro drr drs dsa dsd dsk dsl dso dsr dss ka- kaa kad kak kal kao kar kas kda kdk kdl kdo kdr kds kkk kkl kkr kks kl- kla kld klo klr kls koa kod kok kol koo kor kos kra krd krk krl kro krr krs ksa ksd ksk ksl kso ksr kss la- laa lad lak lal lao lar las lda ldd ldk ldl ldo ldr lds lka lkl lkr lks lla lld llk lll llo llr lls loa lod lok lol loo lor los lra lrd lrk lro lrr lrs lsa lsd lsk lsl lso lsr lss oaa oad oak oal oao oar oas oda odd odl odo odr ods oka okd okk okl oko okr oks ola old olk oll olo ols oo- ooa ood ook ool ooo oor oos or- ora ord ork orl oro orr ors os- osa osd osk osl oso osr oss ra- raa rad rak ral rao rar ras rda rdd rdl rdo rdr rds rkk rko rks rla rld rll rlo rlr rls roa rod rok rol roo ror ros rra rrd rrk rrl rrr rrs rsa rsd rsk rsl rso rsr rss saa sad sak sal sao sar sas sda sdd sdk sdl sdo sdr sds sk- ska skd skk skl sko skr sks sla sld slk sll slo slr sls soa sod sok sol soo sor sos sr- sra srd srk srl sro srr srs ss- ssa ssd ssk ssl sso ssr sss