a-a a-i aaa aad aai aao aar aav ad- ada add adi ado adr adv ai- aia aid aii aio air aiv aoa aod aoi aoo aor aov ar- ara ard ari aro arr arv av- ava avd avi avo avr daa dad dai dao dar dav dda ddd ddi ddo ddr di- dia did dii dio dir div doa dod doi doo dor dov dra drd dri dro drr drv dva dvd dvi dvr i-d i-v ia- iaa iad iai iao iar iav ida idd idi ido idr idv iia iid iii iio iir io- ioa iod ioi ioo ior iov ir- ira ird iri iro irr irv iva ivd ivi ivo ivr ivv o-i oaa oad oai oao oar oav oda odd odi odo odr odv oia oid oii oio oir oiv oo- ooa ood ooi ooo oor oov or- ora ord ori oro orr orv ov- ova ovd ovi ovo ovv ra- raa rad rai rao rar rav rda rdd rdi rdo rdr rdv ria rid rii rio rir riv roa rod roi roo ror rov rra rrd rri rrr rva rvd rvi rvo rvr rvv v-a vaa vad vai vao var vav vdd vdi vdo vdr vdv vi- via vid vii vio vir viv voa vod voi voo vor vov vra vrd vri vrr vva vvi vvo vvr vvv