a-a a-i aaa aaf aai aam aao aar aas aav af- afa aff afi afm afo afr afs afv ai- aia aif aii aim aio air ais aiv ama amf ami amm amo amr ams amv aoa aof aoi aom aoo aor aos aov ar- ara arf ari arm aro arr ars arv as- asa asf asi asm aso asr ass asv av- ava avf avi avm avo avr avs faa faf fai fam fao far fas fav ffa fff ffi ffm ffo ffr ffs ffv fia fif fii fim fir fis fma fmf fmi fmm fmo fmr fms fmv foa fof foi fom foo for fos fra frf fri frm fro frr frs fsa fsf fsi fsm fso fsr fss fsv fva i-f i-v ia- iaa iaf iai iam iao iar ias iav ifa iff ifi ifm ifo ifr ifs iia iif iii iim iio iir iis im- ima imf imi imm imo ims imv io- ioa iof ioi iom ioo ior ios iov ir- ira irf iri irm iro irr irs irv is- isa isf isi ism iso isr iss isv iva ivf ivi ivo ivr ivs ivv m-f m-o m-r m-v maa maf mai mam mao mar mas mav mfa mff mfi mfm mfo mfr mfs mfv mi- mia mif mii mim mio mir mis miv mma mmf mmi mmm mmo mmr mms mmv moa mof moi mom moo mor mos mov mra mrf mri mrm mro mrr mrs mrv msa msf msi msm mso msr mss msv mva mvf mvi mvm mvo mvr mvs mvv o-i oaa oaf oai oam oao oar oas oav of- ofa off ofi ofm ofo ofr ofs ofv oia oif oii oim oio oir ois oiv om- oma omf omi omm omo omr oms omv oo- ooa oof ooi oom ooo oor oos oov or- ora orf ori orm oro orr ors orv os- osa osf osi osm oso osr oss osv ov- ova ovf ovi ovo ovs ovv ra- raa raf rai ram rao rar ras rav rfa rff rfi rfm rfo rfr rfs rfv ria rif rii rim rio rir ris riv rma rmf rmi rmm rmo rmr rms rmv roa rof roi rom roo ror ros rov rra rrf rri rrm rrr rrs rsa rsf rsi rsm rso rsr rss rsv rva rvf rvi rvm rvo rvr rvs rvv saa saf sai sam sao sar sas sav sfa sff sfi sfm sfo sfr sfs sfv sia sif sii sim sio sir sis siv sma smf smi smm smo smr sms smv soa sof soi som soo sor sos sov sr- sra srf sri srm sro srr srs srv ss- ssa ssf ssi ssm sso ssr sss ssv sva svf svi svm svo svr svs svv v-a vaa vai vam vao var vas vav vfa vff vfi vfm vfr vfs vfv vi- via vif vii vim vio vir vis viv vm- vma vmf vmi vmm vmo vmr voa vof voi vom voo vor vos vov vra vrf vri vrm vrr vrs vsa vsf vsi vsm vso vsr vss vsv vva vvi vvm vvo vvr vvs vvv