a-a a-b a-q aaa aab aak aao aaq aas aau aaw aax ab- aba abb abk abo abq abs abu abw abx aka akb akk ako aks aku akw aoa aob aok aoo aos aou aow aox aqa aqo aqs as- asa asb ask aso asq ass asu asw asx au- aua aub auk auo aus auw aux aw- awa awb awk awo aws awu aww ax- axa axk axo axs axx b-u baa bab bak bao baq bas bau baw bax bba bbb bbk bbo bbq bbs bbu bbw bbx bka bkb bkk bko bkq bks bkw bkx boa bob bok boo boq bos bou bow box bqw bsa bsb bsk bso bss bsu bsw bsx bua bub buk buo bus buu buw bux bwa bwb bwk bwo bws bwu bxb bxo bxq bxw bxx ka- kaa kab kak kao kas kau kaw kax kba kbb kbk kbo kbs kbu kbw kbx kkb kkk kks kku koa kob kok koo kos kou kow kqa kqw ksa ksb ksk kso kss ksu ksw kub kuk kus kuu kw- kwa kwk kwo kws kww kxo oaa oab oak oao oaq oas oau oaw oax ob- oba obb obk obo obs obu obw obx oka okb okk oko oks oku okw oo- ooa oob ook ooo oos oow oox oqb oqo os- osa osb osk oso osq oss osu osw osx ou- oua ouk ouo ous owa owb owk owo ows owu oww ox- oxa oxb oxo oxx qaa qas qau qax qba qbq qbs qoo qos qqk qqq qqu qsa qso qu- qua quo qus qux qw- qwk saa sab sak sao saq sas sau saw sax sba sbb sbk sbo sbq sbs sbu sbw sbx sk- ska skb skk sko skq sks sku skw skx soa sob sok soo soq sos sou sow sox sqa sqq sqs sqx ss- ssa ssb ssk sso ssq sss ssu ssw ssx sua sub suk suo suq sus suu suw sux swa swb swk swo sws swu sxs sxu ua- uaa uab uak uao uaq uas uau uaw uba ubb ubk ubo ubs ubu ubw ubx uka ukb ukk uku uoa uob uok uoo uos uow uox usa usb usk uso uss usu usw usx uua uus uuu uwa uwb uws uww uxb uxo uxu waa wab wak wao was wau waw wax wba wbb wbo wbs wbw wbx wka wkb wko wks wkw woa wob wok woo wos wou wow wox wqa wqb wqo wsa wsb wsk wso wsq wss wsu wsw wsx wua wub wuo wus wwa wwo wwu www wxw xaa xak xas xau xbx xkb xks xoa xok xoo xos xox xsa xsb xss xus xwa xxo xxx