a-a a-b a-i a-t aaa aab aad aai aan aar aas aat aav ab- aba abb abd abi abn abr abs abt abv ad- ada adb add adi adn adr ads adt adv ai- aia aib aid aii ain air ais ait aiv an- ana anb and ani ann anr ans ant anv ar- ara arb ard ari arn arr ars art arv as- asa asb asd asi asn asr ass ast asv at- ata atb atd ati atn atr ats att atv av- ava avb avd avi avn avr avs avt baa bab bad bai ban bar bas bat bav bba bbb bbd bbi bbn bbr bbs bbt bda bdb bdd bdi bdr bds bdt bdv bi- bia bib bid bii bin bir bis bit biv bna bnb bnd bni bnn bnr bns bnt bnv bra brb brd bri brn brr brs brt brv bsa bsb bsd bsi bsn bsr bss bst bsv bta btb btd bti btn btr bts btt btv bva bvb bvd bvi bvn bvr bvs bvt bvv daa dab dad dai dan dar das dat dav dba dbb dbd dbi dbn dbr dbs dbt dbv dda ddb ddd ddi ddn ddr dds ddt di- dia dib did dii din dir dis dit div dna dnb dnd dni dnn dnr dns dnt dra drb drd dri drn drr drs drt drv dsa dsb dsd dsi dsn dsr dss dst dsv dta dtb dtd dti dtn dtr dts dtt dtv dva dvb dvd dvi dvn dvr dvs dvt i-d i-v ia- iaa iab iad iai ian iar ias iat iav iba ibb ibd ibi ibn ibr ibs ibt ibv ida idb idd idi idn idr ids idt idv iia iib iid iii iin iir iis iit in- ina inb ind ini inn inr ins int inv ir- ira irb ird iri irn irr irs irt irv is- isa isb isd isi isn isr iss ist isv ita itb itd iti itn its itt itv iva ivb ivd ivi ivr ivs ivt ivv n-i naa nab nad nai nan nar nas nat nav nba nbb nbd nbi nbn nbr nbs nbt nbv nda ndb ndd ndi ndn ndr nds ndt ndv nia nib nid nii nin nir nis nit niv nna nnb nni nnn nns nnt nnv nra nrb nrd nri nrn nrr nrs nrt nrv nsa nsb nsd nsi nsn nsr nss nst nsv nta ntb ntd nti ntn ntr nts ntt ntv nva nvb nvd nvi nvn nvt nvv ra- raa rab rad rai ran rar ras rat rav rba rbb rbd rbi rbn rbr rbs rbt rda rdb rdd rdi rdn rdr rds rdt rdv ria rib rid rii rin rir ris rit riv rna rnb rnd rni rnn rnr rns rnt rnv rra rrb rrd rri rrn rrr rrs rrt rsa rsb rsd rsi rsn rsr rss rst rsv rta rtb rtd rti rtn rtr rts rtt rtv rva rvb rvd rvi rvn rvr rvs rvt rvv saa sab sad sai san sar sas sat sav sba sbb sbd sbi sbn sbr sbs sbt sbv sda sdb sdd sdi sdn sdr sds sdt sdv sia sib sid sii sin sir sis sit siv sna snb snd sni snn snr sns snt snv sr- sra srb srd sri srn srr srs srt srv ss- ssa ssb ssd ssi ssn ssr sss sst ssv sta stb std sti stn str sts stt stv sva svb svd svi svn svr svs svt svv taa tab tad tai tan tar tas tat tav tba tbb tbd tbi tbn tbr tbs tbt tbv tda tdb tdd tdi tdn tdr tds tdt tdv tia tib tid tii tin tir tis tit tiv tna tnb tnd tni tnn tnr tns tnt tra trb trd tri trn trr trs trt trv tsa tsb tsd tsi tsn tsr tss tst tsv tta ttb ttd tti ttn ttr tts ttt ttv tva tvb tvd tvi tvn tvr tvs tvt v-a vaa vab vad vai van var vas vat vav vba vbd vbi vbr vbs vbv vdb vdd vdi vdr vds vdt vdv vi- via vib vid vii vin vir vis vit viv vn- vna vnd vni vnr vns vnv vra vrb vrd vri vrn vrr vrs vrt vsa vsb vsd vsi vsn vsr vss vst vsv vta vtb vti vtr vts vtt vtv vva vvb vvi vvr vvs vvt vvv