-al -ol a-a aaa aaf aal aao aar aau aav af- afa aff afl afo afr afu afv al- ala alf all alo alr alu alv aoa aof aol aoo aor aou aov ar- ara arf arl aro arr aru arv au- aua auf aul auo aur auv av- ava avf avl avo avr avu faa faf fal fao far fau fav ffa fff ffl ffo ffr ffu ffv fla flf fll flo flr flu foa fof fol foo for fou fra frf frl fro frr fru fua fuf ful fuo fur fuu fuv fva la- laa laf lal lao lar lau lav lfa lff lfl lfo lfr lfu lla llf lll llo llr llu llv loa lof lol loo lor lou lov lra lrf lro lrr lru lrv lua luf lul luo lur luu luv lva lvf lvl lvr lvv oaa oaf oal oao oar oau oav of- ofa off ofl ofo ofr ofu ofv ola olf oll olo olu oo- ooa oof ool ooo oor oov or- ora orf orl oro orr oru orv ou- oua ouf oul ouo our ov- ova ovf ovl ovo ovv ra- raa raf ral rao rar rau rav rfa rff rfl rfo rfr rfu rfv rla rlf rll rlo rlr rlu roa rof rol roo ror rou rov rra rrf rrl rrr rru rua ruf ruo rur ruu ruv rva rvf rvl rvo rvr rvu rvv ua- uaa uaf ual uao uar uau uav ufa uff ufl ufo ufr ufu ufv ula ulf ull ulo ulr ulu ulv uoa uol uoo uor ur- ura urf url uro urr uru uua uur uuu uva uvf uvl uvo uvu uvv v-a vaa val vao var vau vav vfa vff vfl vfr vfu vfv vl- vla vlf vll vlo vlv voa vof vol voo vor vou vov vra vrf vrr vru vul vur vuv vva vvo vvr vvv