a-a a-b aaa aab aam aao aar aas aax ab- aba abb abm abo abr abs abx ama amb amm amo amr ams amx aoa aob aom aoo aor aos aox ar- ara arb arm aro arr ars arx as- asa asb asm aso asr ass asx ax- axa axm axo axr axs axx baa bab bam bao bar bas bax bba bbb bbm bbo bbr bbs bbx bma bmb bmm bmo bmr bms bmx boa bob bom boo bor bos box bra brb brm bro brr brs brx bsa bsb bsm bso bsr bss bsx bxb bxm bxo bxx m-o m-r maa mab mam mao mar mas max mba mbb mbm mbo mbr mbs mbx mma mmb mmm mmo mmr mms mmx moa mob mom moo mor mos mox mra mrb mrm mro mrr mrs mrx msa msb msm mso msr mss msx mxa mxr mxs oaa oab oam oao oar oas oax ob- oba obb obm obo obr obs obx om- oma omb omm omo omr oms omx oo- ooa oob oom ooo oor oos oox or- ora orb orm oro orr ors orx os- osa osb osm oso osr oss osx ox- oxa oxb oxo oxx ra- raa rab ram rao rar ras rax rba rbb rbm rbo rbr rbs rbx rma rmb rmm rmo rmr rms rmx roa rob rom roo ror ros rox rra rrb rrm rrr rrs rsa rsb rsm rso rsr rss rsx rxr rxs saa sab sam sao sar sas sax sba sbb sbm sbo sbr sbs sbx sma smb smm smo smr sms smx soa sob som soo sor sos sox sr- sra srb srm sro srr srs srx ss- ssa ssb ssm sso ssr sss ssx sxm sxs xaa xam xar xas xbr xbx xma xmm xmo xmr xms xmx xoa xom xoo xor xos xox xrx xsa xsb xsm xss xxo xxx

aaaa aaab aaam aaar aaas aaba aabb aabm aama aamb aamo aamr aams aaoo aara aarm aaro aars aasa aasm aass abaa abab abam abar abas abax abb- abba abbb abbo abbr abbs abma abmb abms aboa abob aboo abor abos abox abra abro abrs abs- absa abss amaa amam amar amas amax amb- amba ambo ambr ambs ambx amm- amma ammo amob amoo amor amos amra amro amsa amso amss aoba aoma aora aorb aors aoss arab aram arar aras arax arba arbs arma armm armo arms aroa arob arom aroo aror aros arr- arra arro arrr arrs ars- arsa arso asaa asab asam asao asar asas asba asbm asbo asma asmm asmr asms asmx asob asom asor asos asra asrm asro asrs assa asso assr asss axar axo- axoa axos axxo ba-x baaa baam baar baas baba babb babm babo babr babs bama bamb bamm bams baos bar- bara barb barm baro barr bars barx basa baso bass bbas bbbb bbbs bbox bmaa boab boar boas boba bobb bobo bobs boma bomb boms boob boom boor boos boox bor- bora borm boro borr bors bosa bosm boso boss boxa brab bram brao bras brax broa brob brom broo bror bros brox brrm brrr brrs brsb brsr bsaa bsam bsas bsms bsos bsra bsrm bssm maaa maam maar maas maba mabo mabs mama mamo mams maor maos mar- mara marm maro marr mars marx masa masr mass maxx mbam mbas mbba mbbs mbms mbox mbrs mmaa mmab mmar mmas mmmm mmms mmor mmxx moaa moab moam moar moas moba mobb mobo mobs moma momo moms mooa moob moor moos mora morb moro mors mosa moso moss moxa moxo mras mrbb mrbm mrbs mrsa msaa msar msas msba msma msmb msmm msms msoa msor msra msrb mssa mssm mssr oama oams oara oars oass obas obba obbo obor obos obox obra obro obsr obss omam omao omar omas ombo omma omo- omoa omoo omor omox omra omro omsa ooaa ooba ooma ooms oooo ooos oora oosa orab oram orao orar oras orba orbb orbo orbs orma ormo oro- orom oror oros orra orro orrs orsa orso osam osar osas osba osm- osmo osoo osor osos osro ossa ossb osso oxa- oxo- oxos oxox oxxo raab raam raas raba rabb rabo rabs rama ramb ramm ramo rams raob raom raos rara rarb raro rars rasa rasm raso rass raxa rbbb rbbr rbbs rbms rbmx rbss rmas rmbs roab roam roar roas rob- roba robb robo robs roma romb romm romo roms roob room roor roos roox rora roro rosa roso ross roxa roxo rras rrrr rsaa rsma rsmx rsos rssa s-os sa-x saab saam saar saas saba sabb sabo sabr sabs sam- sama samm samo sams saor saos sara sarm saro sarr sars sasa sasm saso sass saxa saxo sbaa sbar sbas sbbs sbma sbor sbsa smaa smas smax smba smos smox smss soam soar soas soba sobo sobr sobs soma somb somm somo soom soor soos sora sorb sorm soro sorr sors sosa soso soss soxs sram sras sros ssaa ssab ssam ssao ssas ssbr ssra ssrm ssrs sssa sssb sssm ssss xaar xaos xara xbar xbox xbra xmas xmax xmms xmos xoom xoro xors xosa xoxo xxxo xxxx

-aaa- a-box a-ram aaaam aaaas aaasa aaass aabaa aabba aabra aamra aamsa aaoms aaram aarma aasra abaab ababa ababs abara abasa abass abbar abbas abbos abbrs aboab abobo aboma abomb abora aboso abram abrar abras abrsm absam absar amaas amama amara amaro amasa amass ambam ambao ambar ambas ambax ambos ambra ammar ammas ammo- ammos amoor amora amors amram amras amsar amsom aomar aoos ar-ab arab- araba arabo arabs arama arams arara arars arass araxa arbab arbar arbas arbor arbos armar armas armor aroab aroar aroba aroma aromo aroom aroor aroos arora arosa arram arras arros arsos asaba asama asara asaro asasa asbms asbos asbro asmaa asmar asoar asors asosa asram asrar asror assab assam assas assoa assos asxas axams baama baars babam babar babas babax babbs baboo babos babra bamba bambs bamma bammo bamor bamra baoma baomo baoro bar-x baraa barab baram barao barar baras barba barbs