a-a a-b a-i aaa aab aai aam aao aar aax ab- aba abb abi abm abo abr abx ai- aia aib aii aim aio air aix ama amb ami amm amo amr amx aoa aob aoi aom aoo aor aox ar- ara arb ari arm aro arr arx ax- axa axi axm axo axr axx baa bab bai bam bao bar bax bba bbb bbi bbm bbo bbr bbx bi- bia bib bii bim bio bir bix bma bmb bmi bmm bmo bmr bmx boa bob boi bom boo bor box bra brb bri brm bro brr brx bxb bxi bxm bxo bxx ia- iaa iab iai iam iao iar iba ibb ibi ibm ibo ibr ibx iia iib iii iim iio iir iix im- ima imb imi imm imo imx io- ioa iob ioi iom ioo ior ir- ira irb iri irm iro irr irx ixi m-o m-r maa mab mai mam mao mar max mba mbb mbi mbm mbo mbr mbx mi- mia mib mii mim mio mir mix mma mmb mmi mmm mmo mmr mmx moa mob moi mom moo mor mox mra mrb mri mrm mro mrr mrx mxa mxi mxr o-i oaa oab oai oam oao oar oax ob- oba obb obi obm obo obr obx oia oib oii oim oio oir om- oma omb omi omm omo omr omx oo- ooa oob ooi oom ooo oor oox or- ora orb ori orm oro orr orx ox- oxa oxb oxi oxo oxx ra- raa rab rai ram rao rar rax rba rbb rbi rbm rbo rbr rbx ria rib rii rim rio rir rix rma rmb rmi rmm rmo rmr rmx roa rob roi rom roo ror rox rra rrb rri rrm rrr rxr xaa xam xar xbr xbx xia xii xio xix xma xmi xmm xmo xmr xmx xoa xoi xom xoo xor xox xrx xxi xxo xxx

a-ii aaaa aaab aaai aaam aaar aaba aabb aabi aabm aaib aaii aama aamb aami aamo aamr aaoo aara aari aarm aaro abaa abab abai abam abar abax abb- abba abbb abbi abbo abbr abia abib abim abir abma abmb aboa abob aboo abor abox abra abri abro aiai aiba aibo aiia aiib aiir aimi aimm aimo aioi aira airi airo airx aixa aixi aixm amaa amai amam amar amax amb- amba ambi ambo ambr ambx amia amib amii amir amix amm- amma ammi ammo amob amoi amoo amor amra amri amro aoba aoma aora aorb arab arai aram arar arax arba arbi aria arib arii arim ario arma armi armm armo aroa arob aroi arom aroo aror arr- arra arri arro arrr axar axi- axia axim axo- axoa axxo ba-i ba-x baaa baam baar baba babb babi babm babo babr baia baib baio bair baix bama bamb bami bamm bar- bara barb bari barm baro barr barx baxi bbbb bbox biao biar biba bibb bibi bibo bima bimo bimx bio- bioi biox bira birb biri biro birr birx bixa bixi bmaa bmir bmmi boab boai boar boba bobb bobi bobo boi- boii boim boma bomb bomi boob boom boor boox bor- bora bori borm boro borr boxa brab brai bram brao brax bria brim brio brix broa brob brom broo bror brox brrm brrr iaaa iaai iaba iabm iaia iaim iama iamb iami iamx iara ibar ibbm ibia ibim ibma ibmx ibox ibra ibri ibro iiii iiio iioi iioo iira imai imam imao imar imax imba imbi imir imix imma immi immo imra imri imro imrr ioba iobi ioii ioio ioma iomo iooi iooo iora iori irai iram irao irar irbm iri- iria irio irix irma irmo irob irra irri ixia ixxi ma-i maaa maai maam maar maba mabi mabo maia maib maii maim maio mair mama mami mamo maoi maor mar- mara mari marm maro marr marx maxi maxx mbam mbba mbia mbim mbio mbox miaa miab miai miam miao miii miio mim- mima mimi mimo mio- mira miri miro mirr mixi mixx mmaa mmab mmai mmar mmii mmix mmmm mmor mmxi mmxx moaa moab moai moam moar moba mobb mobi mobo moii moio moir moma momi momo mooa moob moor mora morb mori moro moxa moxi moxo mrbb mrbm mria mxii mxim mxxi oama oara obai obba obbo obia obix oboi obor obox obra obri obro oiba oiii oimb oira omai omam omao omar ombo omia omim omio omma omo- omoa omoi omoo omor omox omra omri omro ooaa ooba oobi ooia ooma oooo oora orab orai oram orao orar orba orbb orbi orbo ori- oria orio orix orma ormo oro- orom oror orra orri orro oxa- oxi- oxia oxim oxo- oxox oxxo raab raam raba rabb rabi rabo raia raii raim rair raix rama ramb rami ramm ramo raob raom rara rarb rari raro raxa raxi rbbb rbbr rbmx riaa riab riai riam rib- riba ribo riia rima rimi rimm rimo riom riri rixo roab roam roar rob- roba robb robi robo roia roio roir roma romb romi romm romo roob rooi room roor roox rora rori roro roxa roxo rrrr xaar xara xbai xbar xbox xbra xiao xibo xiii xima xixi xmax xmii xoom xoro xoxo xxii xxix xxxi xxxo xxxx

-aaa- a-box a-iii a-ram aaaai aaaam aabaa aabba aabra aaiib aamir aamra aaram aaria aarma abaab ababa abaia abair abara abari abbai abbar abbia abio- abira aboab abobo aboma abomb abora abram abrar abrim aiaia aibar aiboa aimar aimia aimim airai airba airor aixam amabi amama amami amara amari amaro ambai ambam ambao ambar ambax ambi- ambia ambio ambix ambra ambri amiba amira amiri ammar ammo- amoor amora amram aomar ar-ab arab- araba arabi arabo araia arama arara arari araxa arbab arbar arbia arbib arbir arbor ariab aribo arima arimo arioi armar armia armix armor aroab aroar aroba aroma aromo aroom aroor arora arrai arram arria axiom axixa baama baari babai babam babar babax babia babio baboo babra baiao baiba baima baira bairo bamba bambi bamia bamix bamma bammo bamor bamra baoma baomo baori baoro bar-x baraa barab barai baram