a-a a-b aaa aab aad aao aar aas aax ab- aba abb abd abo abr abs abx ad- ada adb add ado adr ads adx aoa aob aod aoo aor aos aox ar- ara arb ard aro arr ars arx as- asa asb asd aso asr ass asx ax- axa axo axr axs axx baa bab bad bao bar bas bax bba bbb bbd bbo bbr bbs bbx bda bdb bdd bdo bdr bds bdx boa bob bod boo bor bos box bra brb brd bro brr brs brx bsa bsb bsd bso bsr bss bsx bxb bxd bxo bxx daa dab dad dao dar das dax dba dbb dbd dbo dbr dbs dbx dda ddb ddd ddo ddr dds ddx doa dob dod doo dor dos dox dra drb drd dro drr drs drx dsa dsb dsd dso dsr dss dsx dxd dxo dxr dxs dxx oaa oab oad oao oar oas oax ob- oba obb obd obo obr obs obx oda odb odd odo odr ods oo- ooa oob ood ooo oor oos oox or- ora orb ord oro orr ors orx os- osa osb osd oso osr oss osx ox- oxa oxb oxo oxx ra- raa rab rad rao rar ras rax rba rbb rbd rbo rbr rbs rbx rda rdb rdd rdo rdr rds rdx roa rob rod roo ror ros rox rra rrb rrd rrr rrs rsa rsb rsd rso rsr rss rsx rxr rxs saa sab sad sao sar sas sax sba sbb sbd sbo sbr sbs sbx sda sdb sdd sdo sdr sds soa sob sod soo sor sos sox sr- sra srb srd sro srr srs srx ss- ssa ssb ssd sso ssr sss ssx sxs xaa xad xar xas xbr xbx xda xdb xdr xds xoa xod xoo xor xos xox xrd xrx xsa xsb xss xxo xxx

a-do aaaa aaab aaad aaar aaas aaba aabb aabd aada aads aaoo aara aard aaro aars aasa aasd aass abaa abab abad abar abas abax abb- abba abbb abbo abbr abbs abda abdo aboa abob abod aboo abor abos abox abra abro abrs abs- absa absd abss adaa adab adad adao adar adas adba adda addd addo addr adds adob adod adoo ador ados adox adra adro adrs adsa adso adsr adss aoba aora aorb aors aosd aoss arab arad arar aras arax arba arbs arda ardo ards aroa arob arod aroo aror aros arr- arra arro arrr arrs ars- arsa arsd arso asaa asab asad asao asar asas asba asbo asda asdo asds asob asod asor asos asra asro asrs assa assd asso assr asss axar axo- axoa axos axxo ba-x baaa baad baar baas baba babb babo babr babs bada badb badd bado badr bads baos bar- bara barb bard baro barr bars barx basa baso bass bbad bbas bbbb bbbs bbdd bbdo bbox bd-r bdos bdsd boab boad boar boas boba bobb bobo bobs boda bodb bodo bods boob bood boor boos boox bor- bora bord boro borr bors bosa boso boss boxa brab brad brao bras brax brda brdo brds broa brob brod broo bror bros brox brrr brrs brsb brsr bsaa bsas bsbd bsod bsos bsra bsrd bssd d-bo daab daad daar daas daba dabb dabo dabs dada dado dads daos dara darb dard daro darr dars dasa dasb dasd dass dbar dbas dbos dbrs dbsa dbss dddd ddss do-x doab doar doas doba dobb dobs dod- doda dodd dodo dods doob dood door doos dora dord doro dorr dors dosa doso doss doxa draa drab drad drar dras drax drba drda drob drod drra drrs drsa dsba dsda dsdr dsoa dsos dsrr dssa dxab dxbr dxdr dxds dxra dxrd dxrr dxrx dxss dxxr dxxx oara oars oass obad obas obba obbo obor obos obox obra obro obsd obsr obss odas odax odbo odda oddd odds odoo odor odos odra odso ooaa ooba ooda oooo ooos oora oord oosa orab orad orao orar oras orba orbb orbo orbs orda ordo ords oro- oror oros orra orro orrs orsa orso osar osas osba osoo osor osos osrd osro ossa ossb ossd osso oxa- oxo- oxos oxox oxxo raab raad raas raba rabb rabo rabs rada radd rado radr rads radx raob raos rara rarb raro rars rasa rasd raso rass raxa rbbb rbbr rbbs rbds rbsd rbss rdas rdos rdso roab road roar roas rob- roba robb robo robs roda rodd rodo rods roob rood roor roos roox rora roro rosa roso ross roxa roxo rrad rras rrrr rsaa rsdd rsds rsos rssa s-os sa-x saab saad saar saas saba sabb sabo sabr sabs sada sadb sadd sado sadr sads saor saos sara sard saro sarr sars sasa sasd saso sass saxa saxo sbaa sbar sbas sbbs sbds sbor sbsa sbsd sdax sdba sdds sdrs sdss soad soar soas soba sobo sobr sobs soda sodd sodo sods sood soor soos sora sorb sord soro sorr sors sosa soso soss soxs sras sros srsd ssaa ssab ssao ssas ssbr ssdd ssra ssrs sssa sssb ssss xaar xado xads xaos xara xbar xbox xbra xdos xoro xors xosa xoxo xrdb xrds xrod xxxo xxxx

-aaa- -abad a-box aaaas aaasa aaass aabaa aabba aabra aadas aasra abaab ababa ababs abada abara abasa abass abbad abbar abbas abbod abbos abbrs aboab aboad abobo abood abora abord aboso abrad abrar abras abrod absar adaba adada adado adads adaox adara adaro adars adasa addas addax addra addsa adoar adobo adodb adoor adora adoro adoxa adrad adrar adras adroa ads-b aoos ar-ab arab- araba arabo arabs arada arado arads arara arars arass araxa arbab arbar arbas arbor arbos ardab ardas ardod ardor ardra aroab aroad aroar aroba aroor aroos arora arosa arras arros arsos asaba asada asado asara asaro asasa asbad asbos asbro asdas asoar asoda asodd asors asosa asrar asror assab assad assas assoa assos asxas baard baars babar babas babax babbs babdo baboo babos babra badao badar badas baddo badod badoo badra baoro bar-x baraa barab barad barao barar baras barba barbs barda bardo