-al -ol a-a aaa aad aak aal aao aar aas aav ad- ada add adk adl ado adr ads adv aka akd akk akl ako akr aks akv al- ala ald alk all alo alr als alv aoa aod aok aol aoo aor aos aov ar- ara ard ark arl aro arr ars arv as- asa asd ask asl aso asr ass asv av- ava avd avk avl avo avr avs daa dad dak dal dao dar das dav dda ddd ddk ddl ddo ddr dds dka dkk dkl dko dkr dks dl- dla dld dlk dll dlo dlr dls dlv doa dod dok dol doo dor dos dov dra drd drk drl dro drr drs drv dsa dsd dsk dsl dso dsr dss dsv dva dvd dvk dvl dvr dvs ka- kaa kad kak kal kao kar kas kav kda kdk kdl kdo kdr kds kkk kkl kkr kks kkv kl- kla kld klo klr kls klv koa kod kok kol koo kor kos kra krd krk krl kro krr krs krv ksa ksd ksk ksl kso ksr kss ksv kva kvk kvo kvr kvs kvv la- laa lad lak lal lao lar las lav lda ldd ldk ldl ldo ldr lds ldv lka lkl lkr lks lla lld llk lll llo llr lls llv loa lod lok lol loo lor los lov lra lrd lrk lro lrr lrs lrv lsa lsd lsk lsl lso lsr lss lsv lva lvd lvl lvr lvs lvv oaa oad oak oal oao oar oas oav oda odd odl odo odr ods odv oka okd okk okl oko okr oks ola old olk oll olo ols oo- ooa ood ook ool ooo oor oos oov or- ora ord ork orl oro orr ors orv os- osa osd osk osl oso osr oss osv ov- ova ovd ovl ovo ovs ovv ra- raa rad rak ral rao rar ras rav rda rdd rdl rdo rdr rds rdv rkk rko rks rkv rla rld rll rlo rlr rls roa rod rok rol roo ror ros rov rra rrd rrk rrl rrr rrs rsa rsd rsk rsl rso rsr rss rsv rva rvd rvl rvo rvr rvs rvv saa sad sak sal sao sar sas sav sda sdd sdk sdl sdo sdr sds sdv sk- ska skd skk skl sko skr sks sla sld slk sll slo slr sls slv soa sod sok sol soo sor sos sov sr- sra srd srk srl sro srr srs srv ss- ssa ssd ssk ssl sso ssr sss ssv sva svd svk svl svo svr svs svv v-a vaa vad vak val vao var vas vav vdd vdk vdl vdo vdr vds vdv vka vl- vla vld vlk vll vlo vls vlv voa vod vok vol voo vor vos vov vra vrd vrk vrr vrs vsa vsd vsk vsl vso vsr vss vsv vva vvo vvr vvs vvv