-al -ol a-a aaa aaf aal aao aar aas aav af- afa aff afl afo afr afs afv al- ala alf all alo alr als alv aoa aof aol aoo aor aos aov ar- ara arf arl aro arr ars arv as- asa asf asl aso asr ass asv av- ava avf avl avo avr avs faa faf fal fao far fas fav ffa fff ffl ffo ffr ffs ffv fla flf fll flo flr fls foa fof fol foo for fos fra frf frl fro frr frs fsa fsf fsl fso fsr fss fsv fva la- laa laf lal lao lar las lav lfa lff lfl lfo lfr lfs lla llf lll llo llr lls llv loa lof lol loo lor los lov lra lrf lro lrr lrs lrv lsa lsf lsl lso lsr lss lsv lva lvf lvl lvr lvs lvv oaa oaf oal oao oar oas oav of- ofa off ofl ofo ofr ofs ofv ola olf oll olo ols oo- ooa oof ool ooo oor oos oov or- ora orf orl oro orr ors orv os- osa osf osl oso osr oss osv ov- ova ovf ovl ovo ovs ovv ra- raa raf ral rao rar ras rav rfa rff rfl rfo rfr rfs rfv rla rlf rll rlo rlr rls roa rof rol roo ror ros rov rra rrf rrl rrr rrs rsa rsf rsl rso rsr rss rsv rva rvf rvl rvo rvr rvs rvv saa saf sal sao sar sas sav sfa sff sfl sfo sfr sfs sfv sla slf sll slo slr sls slv soa sof sol soo sor sos sov sr- sra srf srl sro srr srs srv ss- ssa ssf ssl sso ssr sss ssv sva svf svl svo svr svs svv v-a vaa val vao var vas vav vfa vff vfl vfr vfs vfv vl- vla vlf vll vlo vls vlv voa vof vol voo vor vos vov vra vrf vrr vrs vsa vsf vsl vso vsr vss vsv vva vvo vvr vvs vvv