a-a a-b aaa aab aah aan aao aar aas aaw ab- aba abb abh abn abo abr abs abw aha ahb ahh ahn aho ahr ahs ahw an- ana anb anh ann ano anr ans aoa aob aoh aon aoo aor aos aow ar- ara arb arh arn aro arr ars arw as- asa asb ash asn aso asr ass asw aw- awa awb awh awn awo awr aws aww baa bab bah ban bao bar bas baw bba bbb bbh bbn bbo bbr bbs bbw bha bhb bhh bho bhr bhs bhw bna bnb bnn bno bnr bns bnw boa bob boh bon boo bor bos bow bra brb brh brn bro brr brs brw bsa bsb bsh bsn bso bsr bss bsw bwa bwb bwh bwo bwr bws haa hab hah han hao har has haw hba hbb hbh hbn hbo hbr hbs hbw hha hhb hhh hhn hho hhr hhs hhw hna hnb hnh hnn hno hns hnw hoa hob hoh hon hoo hor hos how hr- hra hrb hrh hrn hro hrr hrs hrw hsa hsb hsh hsn hsr hss hsw hw- hwa hwb hwn hwo hwr hws hww naa nab nah nan nao nar nas naw nba nbb nbn nbo nbr nbs nbw nha nhb nhh nhn nhr nhs nna nnb nnh nnn nno nns nnw no- noa nob noh non noo nor nos now nra nrb nrn nro nrr nrs nrw nsa nsb nsh nsn nso nsr nss nsw nwa nwb nwn nwo nwr nws oaa oab oah oan oao oar oas oaw ob- oba obb obh obn obo obr obs obw oha ohh ohn oho ohr ohs on- ona onb onh onn ono onr ons oo- ooa oob ooh oon ooo oor oos oow or- ora orb orh orn oro orr ors os- osa osb osh osn oso osr oss osw owa owb owh own owo ows oww ra- raa rab rah ran rao rar ras raw rba rbb rbh rbn rbo rbr rbs rbw rh- rha rhb rhh rhn rho rhr rhs rna rnb rnh rnn rno rnr rns rnw roa rob roh ron roo ror ros row rra rrb rrh rrn rrr rrs rsa rsb rsh rsn rso rsr rss rsw rwa rwb rwh rwr rws saa sab sah san sao sar sas saw sba sbb sbh sbn sbo sbr sbs sbw sh- sha shb shh shn sho shr shs sna snb snn sno snr sns snw soa sob soh son soo sor sos sow sr- sra srb srh srn sro srr srs srw ss- ssa ssb ssh ssn sso ssr sss ssw swa swb swh swn swo swr sws waa wab wah wan wao war was waw wba wbb wbn wbo wbr wbs wbw wh- wha whb whh who whr whs whw wn- wna wnn wno wns wnw woa wob woh won woo wor wos wow wr- wra wrh wrn wro wrr wrs wrw wsa wsb wsh wsn wso wsr wss wsw wwa wwn wwo www