-al -ol a-a aaa aal aao aar aav al- ala all alo alr alv aoa aol aoo aor aov ar- ara arl aro arr arv av- ava avl avo avr la- laa lal lao lar lav lla lll llo llr llv loa lol loo lor lov lra lro lrr lrv lva lvl lvr lvv oaa oal oao oar oav ola oll olo oo- ooa ool ooo oor oov or- ora orl oro orr orv ov- ova ovl ovo ovv ra- raa ral rao rar rav rla rll rlo rlr roa rol roo ror rov rra rrl rrr rva rvl rvo rvr rvv v-a vaa val vao var vav vl- vla vll vlo vlv voa vol voo vor vov vra vrr vva vvo vvr vvv