-ase -ose a-ak a-be a-ok aaaa aaab aaac aaae aaaf aaas aaba aabb aabc aaca aacb aacc aace aacf aack aaco aacs aaea aaec aaes aafa aafb aafc aaff aaka aake aaoe aaoo aasa aasc aase aasf aass abaa abab abac abae abaf abak abas abb- abba abbb abbe abbo abbs abca abcb abcc abcf abcs abec abee abes abff aboa abob abof abok aboo abos abs- absa abse absf abss acaa acab acac acae acas acba acca accc acce accf acco accs ace- acea acec acek aces acfc acfe acfs acke acks acoa acoe acos acsa acsc acse acss aeac aeaf aeas aebs aecb aeka aesc aess afaa afak afao afbs afca afcb afcc afcs afee afek afes affa affc affo affs afka afoa afoe afoo afsa afsb afsc akaa akae akao akas akca akee akes akka akko akok akos aksa aoba aoca aoce aocs aoks aoss asaa asab asac asae asaf asak asao asas asba asbo asc- asca ascb ascc asce asco asea asec asee asek ases asfa aska aske asko asks asob asoc asof asok asos assa assc asse assk asso asss baaa baaf baak baas baba babb babe babo babs bac- baca bacc bace back baco bacs baek baes bafc baff bafo bak- baka bake bako baks baos basa basc base basf bask baso bass bbas bbbb bbbs bbeb bbfc bcaa bcas bcbc bcbs bcca bccc bccs bcec bces bcfc bcof bcos bcsa bcsc bcss beaf beak beas beba bebb bebe bebo beca beck becs beeb beef beek bees befa befe beff befo beka beke beko beks beo- beof beok beos bes- besa bese besk beso bess bfas bfca bfcs bffs boab boac boak boas boba bobb bobe bobo bobs boca boce bock boco bocs boea boec boee boef boeo boes bofa bofe boff bofs boka boke boko boks boob booc booe boof book boos bosa bosc bose bosk boso boss bsaa bsac bsas bscs bsea bseb bsec bsee bses bsfa bsfc bsff bsfs bsos bssc bsse c-bo caaa caab caac caaf caas caba cabe cabf cabo cabs cac- caca cacc cace cack caco caec caes cafa cafb cafc cafe caff cafs caka cake caos casa casb casc case cask caso cass cbac cbbc cbbs cbca cbcc cbce cbcs cbea cbec cbee cbef cbfb cbfc cbka cbko cbsa cbsc cbse ccaa ccab ccac ccaf ccas ccba ccbc ccca cccb cccc cccf cccs ccee ccfa ccfc ccff ccob ccoc ccsa ccsf ccss ceac ceas ceba cebs cec- ceca cece ceco cecs ceeb ceec cees cef- cefa cefc ceke ceos cesa cesc cese cess cfaa cfab cfac cfae cfao cfbc cfbs cfca cfcb cfcf cfco cfcs cffb cfoa cfos cfsa cfse ckac ckbc ckbe ckck ckco ckcs ckoa ckob ckoc ckoo ckos cksa cksb ckso coak coas coba cobb cobe cobo cobs coca coce cock coco coes cofc cofe coff cofs cok- coka coke coko coob coof cook coos cosa cosc cose coso coss csaa csab csac csak csao csas csbf cscb cscc csce cscf csco cscs csea csec csee csfc cska csks csob csos cssa csse eaaf eaba eaca eacc eaec eafb easa ease easo ebac ebba ebbc ebbo ebbs ebcc ebes ebfc eboe eboo ebos ebsa ecaa ecac ecao ecbc ecbe ecca eccb eccc ecce ecco ecef eces ecfa ecfc ecfs ecka ecko ecks eco- ecos ecsa ecsc ecse ecss eeca eecs eeea eeee eees eefa eefe eeka eeke eeks eeoc eese eesk efab efas efca efco efeo efes effa effs efke efsa eka- ekab ekco ekeb ekek ekes ekfc ekka ekoa ekos eoes eoka esab esac esas esba esbo esbs esca escb esce esco escs esea esee esek eseo eses esfs eska eske esko esks eso- esok esos essa esse esso f--k faaa faac faas faba fabe fabo fabs faca facc face fack facs faeb faes fafa fafc fafe faff fafo fake fako fasa fasc fase faso fass fcab fcas fcba fcbs fcca fccf fces fcsc feaf feak feas feba febo febs fece feck feeb feek fees fefc fefe feff fefo feke feko feof fesa fese fess ffcc ffee ffff ffsa ffss fkab foaf foak foba fobs foca foce fock foco focs foes fofo foke foof fook foos fosa fosb foso foss fsas fscb fscc fsck fsec fsfo fssa fssc fssf k-os kaaa kaab kaaf kaak kaas kaba kabb kabc kabe kabf kabo kacb kacc kace kaco kacs kaeo kaes kafa kafc kafe kaff kafs kaka kakc kake kakk kako kaks kaoa kaoc kaok kaos kas- kasa kasb kasc kase kasf kask kaso kass kbaa kbab kbac kbae kbak kbas kbba kbbb kbbc kbbe kbbf kbbk kbbo kbbs kbca kbcb kbce kbck kbco kbcs kbeb kbec kbee kbef kbek kbeo kbes kbfb kbfc kbff kbfk kbfo kbfs kbkb kbkf kbkk kbko kboa kbob kboc kboe kbok kboo kbos kbsa kbsb kbsk kbso kbss kcaa kcab kcac kcas kcba kcbc kcbf kcbk kcbs kcca kccb kccc kcck kcea kceb kcec kcee kceo kcfa kcfb kcfc kcfo kckc kckf kckk kcko kcob kcoe kcof kcos kcsa kcsb kcsc kcse kcsf kcss kea- keak keas keba kebb kebc kebe keca keck keco keef keek kees kefa kefb kefc keff kefs keka kekb kekc keke keko keks keok keos kesa kesb kesc kesk keso kess kfab kfac kfbc kfbk kfcf kfco kfcs kfeb kffa kffb kfff kffk kfka kfkb kfok kfoo kfsa kfse kfsk kkaa kkac kkba kkbb kkbe kkbo kkbs kkcb kkck kkco kkcs kkea kkfs kkkk kkoa kkob kkoo kksa kkse kksf kkss koab koac koae koak koas koba kobb kobc kobe kobk kobo kobs koca kocb kocf kock kocs koea koes kofa kofc kofe koff kofk kofo koka kokb kokc koke kokf kokk koko koks koob kooc kook kooo koos kos- kosa kosb kosc kose kosf koso koss ksab ksac ksaf ksak ksas ksba ksbc ksbs ksca kscb ksce ksck ksco kscs ksea ksec ksee ksek kseo ksfa ksfb ksfc ksfe ksfo kska kskb kske kskf kskk ksko ksks ksob ksoc ksof ksok ksoo ksos kssa ksse ksso ksss o-eo oaes oafc oafo oafs oake oaks