a-a a-t aaa aao aar aas aat aav aax aoa aoo aor aos aot aov aox ar- ara aro arr ars art arv arx as- asa aso asr ass ast asv asx at- ata ato atr ats att atv atx av- ava avo avr avs avt avx ax- axa axo axr axs axt axv axx oaa oao oar oas oat oav oax oo- ooa ooo oor oos oot oov oox or- ora oro orr ors ort orv orx os- osa oso osr oss ost osv osx ot- ota oto otr ots ott otv ov- ova ovo ovs ovv ox- oxa oxo oxt oxx ra- raa rao rar ras rat rav rax roa roo ror ros rot rov rox rra rrr rrs rrt rsa rso rsr rss rst rsv rsx rta rto rtr rts rtt rtv rtx rva rvo rvr rvs rvt rvv rxr rxs saa sao sar sas sat sav sax soa soo sor sos sot sov sox sr- sra sro srr srs srt srv srx ss- ssa sso ssr sss sst ssv ssx sta sto str sts stt stv stx sva svo svr svs svt svv svx sxs sxt t-x taa tao tar tas tat tav tax to- toa too tor tos tot tov tox tra tro trr trs trt trv trx tsa tso tsr tss tst tsv tsx tta tto ttr tts ttt ttv ttx tva tvo tvr tvs tvt tvx txs txt v-a vaa vao var vas vat vav vax voa voo vor vos vot vov vox vra vrr vrs vrt vsa vso vsr vss vst vsv vta vto vtr vts vtt vtv vtx vva vvo vvr vvs vvt vvv vxa vxr vxs vxv xaa xar xas xat xav xoa xoo xor xos xot xov xox xrt xrx xsa xss xst xtr xts xtv xtx xvt xxo xxv xxx