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 abb- abba abbb abbo abbr abbs abma abmb abms aboa abob aboo abor abos abra abro abrs abs- absa abss amaa amam amar amas amb- amba ambo ambr ambs amm- amma ammo amob amoo amor amos amra amro amsa amso amss aoba aoma aora aorb aors aoss arab aram arar aras 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 asob asom asor asos asra asrm asro asrs assa asso assr asss baaa baam baar baas baba babb babm babo babr babs bama bamb bamm bams baos bar- bara barb barm baro barr bars basa baso bass bbas bbbb bbbs bmaa boab boar boas boba bobb bobo bobs boma bomb boms boob boom boor boos bor- bora borm boro borr bors bosa bosm boso boss brab bram brao bras broa brob brom broo bror bros 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 masa masr mass mbam mbas mbba mbbs mbms mbrs mmaa mmab mmar mmas mmmm mmms mmor moaa moab moam moar moas moba mobb mobo mobs moma momo moms mooa moob moor moos mora morb moro mors mosa moso moss 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 obra obro obsr obss omam omao omar omas ombo omma omo- omoa omoo omor 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 raab raam raas raba rabb rabo rabs rama ramb ramm ramo rams raob raom raos rara rarb raro rars rasa rasm raso rass rbbb rbbr rbbs rbms rbss rmas rmbs roab roam roar roas rob- roba robb robo robs roma romb romm romo roms roob room roor roos rora roro rosa roso ross rras rrrr rsaa rsma rsos rssa s-os 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 sbaa sbar sbas sbbs sbma sbor sbsa smaa smas smba smos smss soam soar soas soba sobo sobr sobs soma somb somm somo soom soor soos sora sorb sorm soro sorr sors sosa soso soss sram sras sros ssaa ssab ssam ssao ssas ssbr ssra ssrm ssrs sssa sssb sssm ssss