-th a-a a-b a-t aaa aab aad aah aar aas aat aaw ab- aba abb abd abh abr abs abt abw ad- ada adb add adh adr ads adt adw aha ahb ahd ahh ahr ahs aht ahw ar- ara arb ard arh arr ars art arw as- asa asb asd ash asr ass ast asw at- ata atb atd ath atr ats att atw aw- awa awb awd awh awr aws awt aww baa bab bad bah bar bas bat baw bba bbb bbd bbh bbr bbs bbt bbw bda bdb bdd bdh bdr bds bdt bdw bha bhb bhd bhh bhr bhs bht bhw bra brb brd brh brr brs brt brw bsa bsb bsd bsh bsr bss bst bsw bta btb btd bth btr bts btt btw bwa bwb bwd bwh bwr bws daa dab dad dah dar das dat daw dba dbb dbd dbh dbr dbs dbt dda ddb ddd ddh ddr dds ddt ddw dh- dha dhb dhd dhh dhr dhs dht dhw dra drb drd drr drs drt drw dsa dsb dsd dsh dsr dss dst dsw dta dtb dtd dth dtr dts dtt dtw dwa dwb dwh dwr dws dwt dww haa hab had hah har has hat haw hba hbb hbd hbh hbr hbs hbt hbw hda hdb hdd hdh hdr hds hdt hdw hha hhb hhd hhh hhr hhs hht hhw hr- hra hrb hrd hrh hrr hrs hrt hrw hsa hsb hsd hsh hsr hss hst hsw hta htb htd hth htr hts htt htw hw- hwa hwb hwd hwr hws hwt hww ra- raa rab rad rah rar ras rat raw rba rbb rbd rbh rbr rbs rbt rbw rda rdb rdd rdh rdr rds rdt rh- rha rhb rhd rhh rhr rhs rht rra rrb rrd rrh rrr rrs rrt rsa rsb rsd rsh rsr rss rst rsw rta rtb rtd rtr rts rtt rtw rwa rwb rwd rwh rwr rws saa sab sad sah sar sas sat saw sba sbb sbd sbh sbr sbs sbt sbw sda sdb sdd sdh sdr sds sdt sdw sh- sha shb shd shh shr shs sht sr- sra srb srd srh srr srs srt srw ss- ssa ssb ssd ssh ssr sss sst ssw sta stb std sth str sts stt stw swa swb swd swh swr sws swt taa tab tad tah tar tas tat taw tba tbb tbd tbh tbr tbs tbt tda tdb tdd tdh tdr tds tdt tdw th- tha thb thd thh thr ths tht thw tra trb trd trh trr trs trt trw tsa tsb tsd tsh tsr tss tst tsw tta ttb ttd tth ttr tts ttt ttw twa twb twd twh twr tws twt tww waa wab wad wah war was wat waw wba wbb wbd wbr wbs wbt wbw wda wdb wdr wds wdt wh- wha whb whd whh whr whs wht whw wr- wra wrd wrh wrr wrs wrt wrw wsa wsb wsd wsh wsr wss wst wsw wta wtb wtd wth wtr wts wtt wtw wwa wwd wwt www