a-do aaaa aaab aaad aaam aaas aaba aabb aabd aabm aada aads aama aamb aamd aamo aams aaoo aasa aasd aasm aass abaa abab abad abam abas abb- abba abbb abbo abbs abda abdo abma abmb abms aboa abob abod aboo abos abs- absa absd abss adaa adab adad adam adao adas adba adda addd addo adds adma admb adms adob adod adoo ados adsa adsm adso adss amaa amad amam amas amb- amba ambo ambs amda amdo amds amm- amma ammo amob amod amoo amos amsa amsd amso amss aoba aoma aosd aoss asaa asab asad asam asao asas asba asbm asbo asda asdo asds asma asmd asmm asms asob asod asom asos assa assd asso asss baaa baad baam baas baba babb babm babo babs bada badb badd bado bads bama bamb bamm bams baos basa baso bass bbad bbas bbbb bbbs bbdd bbdo bdos bdsd bdsm bmaa bmdb boab boad boas boba bobb bobo bobs boda bodb bodo bods boma bomb boms boob bood boom boos bosa bosm boso boss bsaa bsam bsas bsbd bsms bsod bsos bssd bssm d-bo daab daad daam daas daba dabb dabo dabs dada dado dads dama damb damm damo dams daos dasa dasb dasd dass dbas dbms dbos dbsa dbss dddd ddss dmaa dmab dmas dmba dmds dmsa dmso dmss doab doas doba dobb dobs dod- doda dodd dodo dods doma domb domm domo doms doob dood doom doos dosa doso doss dsba dsda dsdm dsmb dsms dsoa dsos dssa maaa maad maam maas maba mabo mabs mada madb madd mado mads mama mamo mams maos masa mass mbam mbas mbba mbbs mbda mbdb mbms mdas mddm mdds mdma mdos mdsd mmaa mmab mmas mmda mmdb mmds mmmd mmmm mmms mmod mmsd moaa moab moam moas moba mobb mobo mobs moda modd modo mods moma momo moms mooa moob mood moos mosa moso moss msaa msad msas msba msma msmb msmm msms msoa mssa mssm oadm oama oams oass obad obas obba obbo obos obsd obss odam odas odbo odda oddd odds odma odom odoo odos odso omam omao omas ombo omda omdb omma omo- omoa omoo omsa ooaa ooba ooda ooma ooms oooo ooos oosa osam osas osba osm- osmo osoo osos ossa ossb ossd osso s-os saab saad saam saas saba sabb sabo sabs sada sadb sadd sadm sado sads sam- sama samm samo sams saos sasa sasd sasm saso sass sbaa sbas sbbs sbds sbma sbsa sbsd sdba sdds sdma sdmo sdms sdsm sdss smaa smad smas smba smod smos smsd smss soad soam soas soba sobo sobs soda sodd sodo sods soma somb somm somo sood soom soos sosa soso soss ssaa ssab ssam ssao ssas ssdd ssdm sssa sssb sssm ssss