-al -ol a-a aaa aad aal aao aar aav ad- ada add adl ado adr adv al- ala ald all alo alr alv aoa aod aol aoo aor aov ar- ara ard arl aro arr arv av- ava avd avl avo avr daa dad dal dao dar dav dda ddd ddl ddo ddr dl- dla dld dll dlo dlr dlv doa dod dol doo dor dov dra drd drl dro drr drv dva dvd dvl dvr la- laa lad lal lao lar lav lda ldd ldl ldo ldr ldv lla lld lll llo llr llv loa lod lol loo lor lov lra lrd lro lrr lrv lva lvd lvl lvr lvv oaa oad oal oao oar oav oda odd odl odo odr odv ola old oll olo oo- ooa ood ool ooo oor oov or- ora ord orl oro orr orv ov- ova ovd ovl ovo ovv ra- raa rad ral rao rar rav rda rdd rdl rdo rdr rdv rla rld rll rlo rlr roa rod rol roo ror rov rra rrd rrl rrr rva rvd rvl rvo rvr rvv v-a vaa vad val vao var vav vdd vdl vdo vdr vdv vl- vla vld vll vlo vlv voa vod vol voo vor vov vra vrd vrr vva vvo vvr vvv