a-a a-b a-i aaa aab aai aan aar aas aav ab- aba abb abi abn abr abs abv ai- aia aib aii ain air ais aiv an- ana anb ani ann anr ans anv ar- ara arb ari arn arr ars arv as- asa asb asi asn asr ass asv av- ava avb avi avn avr avs baa bab bai ban bar bas bav bba bbb bbi bbn bbr bbs bi- bia bib bii bin bir bis biv bna bnb bni bnn bnr bns bnv bra brb bri brn brr brs brv bsa bsb bsi bsn bsr bss bsv bva bvb bvi bvn bvr bvs bvv i-v ia- iaa iab iai ian iar ias iav iba ibb ibi ibn ibr ibs ibv iia iib iii iin iir iis in- ina inb ini inn inr ins inv ir- ira irb iri irn irr irs irv is- isa isb isi isn isr iss isv iva ivb ivi ivr ivs ivv n-i naa nab nai nan nar nas nav nba nbb nbi nbn nbr nbs nbv nia nib nii nin nir nis niv nna nnb nni nnn nns nnv nra nrb nri nrn nrr nrs nrv nsa nsb nsi nsn nsr nss nsv nva nvb nvi nvn nvv ra- raa rab rai ran rar ras rav rba rbb rbi rbn rbr rbs ria rib rii rin rir ris riv rna rnb rni rnn rnr rns rnv rra rrb rri rrn rrr rrs rsa rsb rsi rsn rsr rss rsv rva rvb rvi rvn rvr rvs rvv saa sab sai san sar sas sav sba sbb sbi sbn sbr sbs sbv sia sib sii sin sir sis siv sna snb sni snn snr sns snv sr- sra srb sri srn srr srs srv ss- ssa ssb ssi ssn ssr sss ssv sva svb svi svn svr svs svv v-a vaa vab vai van var vas vav vba vbi vbr vbs vbv vi- via vib vii vin vir vis viv vn- vna vni vnr vns vnv vra vrb vri vrn vrr vrs vsa vsb vsi vsn vsr vss vsv vva vvb vvi vvr vvs vvv