a-a a-b a-i aaa aab aad aai aam aao aar ab- aba abb abd abi abm abo abr ad- ada adb add adi adm ado adr ai- aia aib aid aii aim aio air ama amb amd ami amm amo amr aoa aob aod aoi aom aoo aor ar- ara arb ard ari arm aro arr baa bab bad bai bam bao bar bba bbb bbd bbi bbm bbo bbr bda bdb bdd bdi bdm bdo bdr bi- bia bib bid bii bim bio bir bma bmb bmd bmi bmm bmo bmr boa bob bod boi bom boo bor bra brb brd bri brm bro brr daa dab dad dai dam dao dar dba dbb dbd dbi dbm dbo dbr dda ddb ddd ddi ddm ddo ddr di- dia dib did dii dim dio dir dma dmb dmd dmi dmm dmo dmr doa dob dod doi dom doo dor dra drb drd dri drm dro drr i-d ia- iaa iab iad iai iam iao iar iba ibb ibd ibi ibm ibo ibr ida idb idd idi idm ido idr iia iib iid iii iim iio iir im- ima imb imd imi imm imo io- ioa iob iod ioi iom ioo ior ir- ira irb ird iri irm iro irr m-o m-r maa mab mad mai mam mao mar mba mbb mbd mbi mbm mbo mbr mda mdb mdd mdi mdm mdo mdr mi- mia mib mid mii mim mio mir mma mmb mmd mmi mmm mmo mmr moa mob mod moi mom moo mor mra mrb mrd mri mrm mro mrr o-i oaa oab oad oai oam oao oar ob- oba obb obd obi obm obo obr oda odb odd odi odm odo odr oia oib oid oii oim oio oir om- oma omb omd omi omm omo omr oo- ooa oob ood ooi oom ooo oor or- ora orb ord ori orm oro orr ra- raa rab rad rai ram rao rar rba rbb rbd rbi rbm rbo rbr rda rdb rdd rdi rdm rdo rdr ria rib rid rii rim rio rir rma rmb rmd rmi rmm rmo rmr roa rob rod roi rom roo ror rra rrb rrd rri rrm rrr

a-do a-ii aaaa aaab aaad aaai aaam aaar aaba aabb aabd aabi aabm aada aadi aaib aaii aama aamb aamd aami aamo aamr aaoo aara aard aari aarm aaro abaa abab abad abai abam abar abb- abba abbb abbi abbo abbr abda abdi abdo abia abib abid abim abir abma abmb aboa abob abod aboo abor abra abri abro adaa adab adad adai adam adao adar adba adbi adda addd addi addo addr adia adib adim adio adir adma admb admi admr adob adod adoo ador adra adro aiai aiba aibo aida aidb aidi aidr aiia aiib aiid aiir aimi aimm aimo aioi aira aird airi airo amaa amad amai amam amar amb- amba ambi ambo ambr amda amdo amia amib amid amii amir amm- amma ammi ammo amob amod amoi amoo amor amra amri amro aoba aoma aora aorb arab arad arai aram arar arba arbi arda ardi ardm ardo aria arib arid arii arim ario arma armd armi armm armo aroa arob arod aroi arom aroo aror arr- arra arri arro arrr ba-i baaa baad baam baar baba babb babi babm babo babr bada badb badd badi bado badr baia baib baid baio bair bama bamb bami bamm bar- bara barb bard bari barm baro barr bbad bbbb bbdd bbdo bd-r bdii bdmi bdrm biad biao biar biba bibb bibi bibo bida bidi bido bidr bima bimo bio- bioi bira birb bird biri biro birr bmaa bmdb bmir bmmi boab boad boai boar boba bobb bobi bobo boda bodb bodi bodo boi- boid boii boim boma bomb bomi boob bood boom boor bor- bora bord bori borm boro borr brab brad brai bram brao brda brdm brdo bria brid brim brio broa brob brod brom broo bror brrm brrr d-bo daab daad daam daar daba dabb dabo dada dadi dado daia daid daim daio dair dama damb dami damm damo dara darb dard dari daro darr dbar dddd dia- diab diad diam diao diar diba dibb dibo dida didi dido diii dima dimi dimm dimo dior dira dird dirr dmaa dmab dmba dmrb doab doar doba dobb dobi dod- doda dodd dodi dodo doid doma domb domi domm domo doob dood doom door dora dord dori dorm doro dorr draa drab drad dram drar drba drda drib drob drod drom drra iaaa iaai iaba iabm iadb iaia iaim iama iamb iami iara ibad ibar ibbm ibdo ibia ibid ibim ibma ibra ibrd ibri ibro idad idam idar idbm idda iddm iddo idia idid idio idir idra idro iida iiii iiio iioi iioo iira imad imai imam imao imar imba imbi imdb imdi imid imir imma immi immo imod imra imri imro imrr ioba iobi iod- ioda iodd iodo ioii ioio ioma iomo iooi iooo iora iori irad irai iram irao irar irbm irda irdo iri- iria irid irio irma irmo irob irod irra irri ma-i maaa maad maai maam maar maba mabi mabo mada madb madd madi mado maia maib maid maii maim maio mair mama mami mamo maoi maor mar- mara mard mari marm maro marr mbam mbba mbda mbdb mbia mbim mbio mdai mddm mdia mdii mdma mdra miaa miab miai miam miao mid- mida midi mido miii miio mim- mima mimd mimi mimo mio- mira mird miri miro mirr mmaa mmab mmai mmar mmda mmdb mmdi mmii mmmd mmmm mmod mmor moaa moab moai moam moar moba mobb mobi mobo moda modd modi modo moii moio moir moma momi momo mooa moob mood moor mora morb mord mori moro mrad mrbb mrbm mrda mrdd mria mrmd oadm oama oara obad obai obba obbo obia obid oboi obor obra obri obro odai odam odbo odda oddd oddi odia odio odir odma odmr odom odoo odor odra oiba oido oiii oimb oira omai omam omao omar ombo omda omdb omia omid omim omio