a-a a-b aaa aab aad aak aam aao aas ab- aba abb abd abk abm abo abs ad- ada adb add adk adm ado ads aka akb akd akk akm ako aks ama amb amd amk amm amo ams aoa aob aod aok aom aoo aos as- asa asb asd ask asm aso ass baa bab bad bak bam bao bas bba bbb bbd bbk bbm bbo bbs bda bdb bdd bdk bdm bdo bds bka bkb bkk bkm bko bks bma bmb bmd bmk bmm bmo bms boa bob bod bok bom boo bos bsa bsb bsd bsk bsm bso bss daa dab dad dak dam dao das dba dbb dbd dbk dbm dbo dbs dda ddb ddd ddk ddm ddo dds dka dkb dkk dkm dko dks dma dmb dmd dmk dmm dmo dms doa dob dod dok dom doo dos dsa dsb dsd dsk dsm dso dss ka- kaa kab kad kak kam kao kas kba kbb kbd kbk kbm kbo kbs kda kdb kdk kdm kdo kds kkb kkk kkm kks kma kmb kmd kmk kmm kmo kms koa kob kod kok kom koo kos ksa ksb ksd ksk ksm kso kss m-o maa mab mad mak mam mao mas mba mbb mbd mbk mbm mbo mbs mda mdb mdd mdk mdm mdo mds mka mkb mkd mkk mkm mko mks mma mmb mmd mmk mmm mmo mms moa mob mod mok mom moo mos msa msb msd msk msm mso mss oaa oab oad oak oam oao oas ob- oba obb obd obk obm obo obs oda odb odd odm odo ods oka okb okd okk oko oks om- oma omb omd omm omo oms oo- ooa oob ood ook oom ooo oos os- osa osb osd osk osm oso oss saa sab sad sak sam sao sas sba sbb sbd sbk sbm sbo sbs sda sdb sdd sdk sdm sdo sds sk- ska skb skd skk skm sko sks sma smb smd smk smm smo sms soa sob sod sok som soo sos ss- ssa ssb ssd ssk ssm sso sss

a-ak a-do a-ok aaaa aaab aaad aaam aaas aaba aabb aabd aabm aada aads aaka aama aamb aamd aamo aams aaoo aasa aasd aasm aass abaa abab abad abak abam abas abb- abba abbb abbo abbs abda abdo abma abmb abms aboa abob abod abok aboo abos abs- absa absd abss adaa adab adad adak adam adao adas adba adda addd addo adds adma admb adms adob adod adok adoo ados adsa adsm adso adss akaa akam akao akas akka akko akok akom akos aksa amaa amad amam amas amb- amba ambo ambs amda amdo amds amka amm- amma ammo amob amod amok amoo amos amsa amsd amso amss aoba aoks aoma aosd aoss asaa asab asad asak asam asao asas asba asbm asbo asda asdo asds aska asko asks asma asmd asmm asms asob asod asok asom asos assa assd assk asso asss baaa baad baak baam baas baba babb babm babo babs bada badb badd bado bads bak- baka bako baks bama bamb bamm bams baos basa bask baso bass bbad bbas bbbb bbbs bbdd bbdo bdos bdsd bdsm bmaa bmdb boab boad boak boas boba bobb bobo bobs boda bodb bodo bods boka boko boks boma bomb boms boob bood book boom boos bosa bosk 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 daka dako daks dama damb damm damo dams daos dasa dasb dasd dask dass dbas dbms dbos dbsa dbss dddd ddss dkba dkms dmaa dmab dmas dmba dmds dmsa dmso dmss doab doak doas doba dobb dobs dod- doda dodd dodo dods doka doko doma domb domm domo doms doob dood dook doom doos dosa dosk doso doss dsba dsda dsdm dsmb dsms dsoa dsos dssa k-os kaaa kaab kaak kaam kaas kaba kabb kabd kabo kad- kada kadd kadm kado kads kaka kakk kakm kako kaks kam- kama kamb kamm kamo kams kaoa kaok kaos kas- kasa kasb kask kasm kaso kass kbaa kbab kbad kbak kbam kbas kbba kbbb kbbd kbbk kbbm kbbo kbbs kbdb kbdo kbds kbkb kbkk kbko kbmb kbmo kbms kboa kbob kbod kbok kboo kbos kbsa kbsb kbsk kbsm kbso kbss kdaa kdab kdad kdak kdam kdao kdbb kdbm kdbs kddb kddd kddk kdka kdkb kdkd kdkk kdko kdma kdmd kdmo kdms kdok kdom kdsd kdsk kdsm kdss kkaa kkam kkba kkbb kkbd kkbo kkbs kkda kkdd kkdm kkdo kkkk kkma kkmk kkmo kkms kkoa kkob kkoo kksa kksd kksm kkss kmad kmak kmam kmas kmbd kmbs kmdb kmdo kmds kmkk kmko kmks kmmk kmmm kmmo kmms kmoa kmob kmod kmok kmom kmsa kmsb kmsd kmso kmss koab koak koas koba kobb kobk kobo kobs koda kodk kodm kodo kods koka kokb kokk koko koks koma komb komo koms koob kook kooo koos kos- kosa kosb kosd koso koss ksab ksak ksam ksas ksba ksbs ksdk ksdm ksds kska kskb kskd kskk ksko ksks ksma ksmb ksmd ksmm ksmo ksms ksob ksok ksom ksoo ksos kssa kssm ksso ksss maaa maad maak maam maas maba mabo mabs mada madb madd mado mads maka mako maks mama mamo mams maos masa mask mass mbam mbas mbba mbbs mbda mbdb mbms mdas mddm mdds mdma mdmk mdos mdsd mkad mkak mkks mksm mmaa mmab mmas mmda mmdb mmds mmmd mmmm mmms mmod mmsd moaa moab moam moas moba mobb mobo mobs moda modd modo mods moka moko moma momo moms mooa moob mood mook moos mosa mosk moso moss msaa msad msas msba msma msmb msmm msms msoa mssa mssm oadm oaks oama oams oass obad obak obas obba obbo obkb obok obos obsd obss odam odas odbo odda oddd odds odma odom odoo odos odso okak okam okas okka okko okmo okok okom oksa okso omak omam omao omas ombo omda omdb omma omo- omoa omoo omsa omsk ooaa ooak ooba ooda ooma ooms oooo ooos