a-a a-b aaa aab aad aam aao aar aas ab- aba abb abd abm abo abr abs ad- ada adb add adm ado adr ads ama amb amd amm amo amr ams aoa aob aod aom aoo aor aos ar- ara arb ard arm aro arr ars as- asa asb asd asm aso asr ass baa bab bad bam bao bar bas bba bbb bbd bbm bbo bbr bbs bda bdb bdd bdm bdo bdr bds bma bmb bmd bmm bmo bmr bms boa bob bod bom boo bor bos bra brb brd brm bro brr brs bsa bsb bsd bsm bso bsr bss daa dab dad dam dao dar das dba dbb dbd dbm dbo dbr dbs dda ddb ddd ddm ddo ddr dds dma dmb dmd dmm dmo dmr dms doa dob dod dom doo dor dos dra drb drd drm dro drr drs dsa dsb dsd dsm dso dsr dss m-o m-r maa mab mad mam mao mar mas mba mbb mbd mbm mbo mbr mbs mda mdb mdd mdm mdo mdr mds mma mmb mmd mmm mmo mmr mms moa mob mod mom moo mor mos mra mrb mrd mrm mro mrr mrs msa msb msd msm mso msr mss oaa oab oad oam oao oar oas ob- oba obb obd obm obo obr obs oda odb odd odm odo odr ods om- oma omb omd omm omo omr oms oo- ooa oob ood oom ooo oor oos or- ora orb ord orm oro orr ors os- osa osb osd osm oso osr oss ra- raa rab rad ram rao rar ras rba rbb rbd rbm rbo rbr rbs rda rdb rdd rdm rdo rdr rds rma rmb rmd rmm rmo rmr rms roa rob rod rom roo ror ros rra rrb rrd rrm rrr rrs rsa rsb rsd rsm rso rsr rss saa sab sad sam sao sar sas sba sbb sbd sbm sbo sbr sbs sda sdb sdd sdm sdo sdr sds sma smb smd smm smo smr sms soa sob sod som soo sor sos sr- sra srb srd srm sro srr srs ss- ssa ssb ssd ssm sso ssr sss

a-do aaaa aaab aaad aaam aaar aaas aaba aabb aabd aabm aada aads aama aamb aamd aamo aamr aams aaoo aara aard aarm aaro aars aasa aasd aasm aass abaa abab abad abam abar abas abb- abba abbb abbo abbr abbs abda abdo abma abmb abms aboa abob abod aboo abor abos abra abro abrs abs- absa absd abss adaa adab adad adam adao adar adas adba adda addd addo addr adds adma admb admr adms adob adod adoo ador ados adra adro adrs adsa adsm adso adsr adss amaa amad amam amar amas amb- amba ambo ambr ambs amda amdo amds amm- amma ammo amob amod amoo amor amos amra amro amsa amsd amso amss aoba aoma aora aorb aors aosd aoss arab arad aram arar aras arba arbs arda ardm ardo ards arma armd armm armo arms aroa arob arod arom aroo aror aros arr- arra arro arrr arrs ars- arsa arsd arso asaa asab asad asam asao asar asas asba asbm asbo asda asdo asds asma asmd asmm asmr asms asob asod asom asor asos asra asrm asro asrs assa assd asso assr asss baaa baad baam baar baas baba babb babm babo babr babs bada badb badd bado badr bads bama bamb bamm bams baos bar- bara barb bard barm baro barr bars basa baso bass bbad bbas bbbb bbbs bbdd bbdo bd-r bdos bdrm bdsd bdsm bmaa bmdb boab boad boar boas boba bobb bobo bobs boda bodb bodo bods boma bomb boms boob bood boom boor boos bor- bora bord borm boro borr bors bosa bosm boso boss brab brad bram brao bras brda brdm brdo brds broa brob brod brom broo bror bros brrm brrr brrs brsb brsr bsaa bsam bsas bsbd bsms bsod bsos bsra bsrd bsrm bssd bssm d-bo daab daad daam daar daas daba dabb dabo dabs dada dado dads dama damb damm damo dams daos dara darb dard daro darr dars dasa dasb dasd dass dbar dbas dbms dbos dbrs dbsa dbss dddd ddss dmaa dmab dmas dmba dmds dmrb dmsa dmso dmss doab doar doas doba dobb dobs dod- doda dodd dodo dods doma domb domm domo doms doob dood doom door doos dora dord dorm doro dorr dors dosa doso doss draa drab drad dram drar dras drba drda drms drob drod drom drra drrs drsa dsba dsda dsdm dsdr dsmb dsms dsoa dsos dsrr dssa maaa maad maam maar maas maba mabo mabs mada madb madd mado mads mama mamo mams maor maos mar- mara mard marm maro marr mars masa masr mass mbam mbas mbba mbbs mbda mbdb mbms mbrs mdas mddm mdds mdma mdos mdra mdsd mmaa mmab mmar mmas mmda mmdb mmds mmmd mmmm mmms mmod mmor mmsd moaa moab moam moar moas moba mobb mobo mobs moda modd modo mods moma momo moms mooa moob mood moor moos mora morb mord moro mors mosa moso moss mrad mras mrbb mrbm mrbs mrda mrdd mrds mrmd mrsa mrsd msaa msad msar msas msba msma msmb msmm msms msoa msor msra msrb mssa mssm mssr oadm oama oams oara oars oass obad obas obba obbo obor obos obra obro obsd obsr obss odam odas odbo odda oddd odds odma odmr odom odoo odor odos odra odso omam omao omar omas ombo omda omdb omma omo- omoa omoo omor omra omro omsa ooaa ooba ooda ooma ooms oooo ooos oora oord oosa orab orad oram orao orar oras orba orbb orbo orbs orda ordo ords orma ormo oro- orom oror oros orra orro orrs orsa orso osam osar osas osba osm- osmo osoo osor osos osrd osro ossa ossb ossd osso raab raad raam raas raba rabb rabo rabs rada radd radm rado radr rads rama ramb ramm ramo rams raob raom raos rara rarb raro rars rasa rasd rasm raso rass rbbb rbbr rbbs rbds rbms