-al -ol a-a aaa aad aaf aak aal aao aar aas ad- ada add adf adk adl ado adr ads af- afa afd aff afk afl afo afr afs aka akd akk akl ako akr aks al- ala ald alf alk all alo alr als aoa aod aof aok aol aoo aor aos ar- ara ard arf ark arl aro arr ars as- asa asd asf ask asl aso asr ass daa dad daf dak dal dao dar das dda ddd ddf ddk ddl ddo ddr dds dfa dfd dff dfk dfl dfo dfr dfs dka dkk dkl dko dkr dks dl- dla dld dlf dlk dll dlo dlr dls doa dod dof dok dol doo dor dos dra drd drk drl dro drr drs dsa dsd dsf dsk dsl dso dsr dss faa fad faf fak fal fao far fas fda fdd fdf fdk fdl fdo fdr fds ffa ffd fff ffk ffl ffo ffr ffs fka fkf fkk fkl fla fld flf fll flo flr fls foa fof fok fol foo for fos fra frd frf frk frl fro frr frs fsa fsd fsf fsk fsl fso fsr fss ka- kaa kad kaf kak kal kao kar kas kda kdf kdk kdl kdo kdr kds kfa kfd kff kfo kfs kkk kkl kkr kks kl- kla kld klf klo klr kls koa kod kof kok kol koo kor kos kra krd krf krk krl kro krr krs ksa ksd ksf ksk ksl kso ksr kss la- laa lad laf lak lal lao lar las lda ldd ldf ldk ldl ldo ldr lds lfa lfd lff lfk lfl lfo lfr lfs lka lkl lkr lks lla lld llf llk lll llo llr lls loa lod lof lok lol loo lor los lra lrd lrf lrk lro lrr lrs lsa lsd lsf lsk lsl lso lsr lss oaa oad oaf oak oal oao oar oas oda odd odf odl odo odr ods of- ofa ofd off ofl ofo ofr ofs oka okd okk okl oko okr oks ola old olf olk oll olo ols oo- ooa ood oof ook ool ooo oor oos or- ora ord orf ork orl oro orr ors os- osa osd osf osk osl oso osr oss ra- raa rad raf rak ral rao rar ras rda rdd rdf rdl rdo rdr rds rfa rfd rff rfk rfl rfo rfr rfs rkf rkk rko rks rla rld rlf rll rlo rlr rls roa rod rof rok rol roo ror ros rra rrd rrf rrk rrl rrr rrs rsa rsd rsf rsk rsl rso rsr rss saa sad saf sak sal sao sar sas sda sdd sdf sdk sdl sdo sdr sds sfa sfd sff sfk sfl sfo sfr sfs sk- ska skd skf skk skl sko skr sks sla sld slf slk sll slo slr sls soa sod sof sok sol soo sor sos sr- sra srd srf srk srl sro srr srs ss- ssa ssd ssf ssk ssl sso ssr sss