a-ak a-do a-ok a-wa aaaa aaab aaac aaad aaas aaba aabb aabc aabd aabw aaca aacb aacc aacd aack aaco aacs aada aadc aads aaka aaoo aaow aasa aasc aasd aass aaww abaa abab abac abad abak abas abaw abb- abba abbb abbo abbs abca abcb abcc abcd abcs abcw abda abdo aboa abob abod abok aboo abos abow abs- absa absd abss absw abwa acaa acab acac acad acas acba acca accc accd acco accs acda acdb acdc acds ackd acks ackw acoa acod acos acow acsa acsc acsd acss acsw acwa acww adaa adab adac adad adak adao adas adaw adba adbc adcc adcs adda addc addd addo adds adob adoc adod adok adoo ados adsa adso adss adwa akaa akao akas akca akka akko akok akos aksa akwa aoba aoca aocs aoks aosd aoss aowd asaa asab asac asad asak asao asas asba asbo asc- asca ascb ascc asco ascw asda asdo asds aska asko asks asob asoc asod asok asos asow assa assc assd assk asso asss awac awad awas awds awka awoo awow awsk awss awwa awws baaa baad baak baas baba babb babo babs bac- baca bacc back baco bacs bada badb badd bado bads bak- baka bako baks baos basa basc bask baso bass baw- bawd bawk baws bbad bbas bbbb bbbs bbdd bbdo bbwc bbws bcaa bcas bcbc bcbs bcca bccc bccs bcda bcds bcos bcsa bcsc bcss bdbc bddc bdos bdsd boab boac boad boak boas boba bobb bobo bobs bobw boca bock boco bocs boda bodb bodo bods boka boko boks boob booc bood book boos boow bosa bosc bosk boso boss bowa bowd bowk bows bsaa bsac bsas bsaw bsbd bscs bsdw bsod bsos bssc bssd bwaa bwoc c-bo c-cd caaa caab caac caas caba cabo cabs cac- caca cacc cack caco cacw cada cadc cadd cado cads cadw caka caod caos casa casb casc casd cask caso cass cawk caws cbac cbbc cbbs cbca cbcc cbcs cbdb cbdc cbdo cbds cbka cbko cbsa cbsc cbwa cbwd ccaa ccab ccac ccad ccas ccba ccbc ccca cccb cccc cccs ccdc ccds cckw ccob ccoc ccod ccow ccsa ccsd ccss cdaa cdac cdad cdba cdcs cdda cddb cdos cdss ckac ckbc ckck ckco ckcs ckcw ckdo ckoa ckob ckoc ckoo ckos cksa cksb ckso cksw ckwd ckws ckww coad coak coas coba cobb cobo cobs coca cock coco coda codd cods cok- coka coko coob cood cook coos cosa cosc coso coss cowd cows csaa csab csac csak csao csas cscb cscc cscd csco cscs csda csdb cska csks csob csos cssa cssd cswk csws cwac cwos d-bo daab daad daas daba dabb dabo dabs daca dacs dada dado dads daka dako daks daos dasa dasb dasc dasd dask dass dawa dawd dawk dawo daws dbas dbcc dbcs dbos dbsa dbss dcas dcbc dcca dccb dccc dccs dcdb dcds dcos dcsc dcss dddd ddoc ddss dkba dkdc doab doak doas doba dobb dobs doca dock doco docs dod- doda dodd dodo dods doka doko doob dood dook doos dosa dosk doso doss dowa dowb dowd dowk dows dsac dsba dsbc dscc dscs dsda dsoa dsos dssa dssc dwac dwad dwas dwcw dwdd dwkc dwok dwsk dwww k-os kaaa kaab kaak kaas kaba kabb kabc kabd kabo kabw kacb kacc kacd kaco kacs kacw kad- kada kadd kado kads kaka kakc kakk kako kaks kaoa kaoc kaok kaos kaow kas- kasa kasb kasc kask kaso kass kasw kaw- kawa kawc kawk kawo kaws kaww kbaa kbab kbac kbad kbak kbas kbba kbbb kbbc kbbd kbbk kbbo kbbs kbbw kbca kbcb kbck kbco kbcs kbcw kbdb kbdo kbds kbkb kbkk kbko kbkw kboa kbob kboc kbod kbok kboo kbos kbow kbsa kbsb kbsk kbso kbss kbsw kbwa kbwb kbwc kbwd kbww kcaa kcab kcac kcad kcas kcaw kcba kcbc kcbd kcbk kcbs kcbw kcca kccb kccc kccd kcck kcda kcdc kcdd kcds kckc kckk kcko kcob kcos kcow kcsa kcsb kcsc kcsd kcss kcwa kcwb kcwc kcwd kcwk kdaa kdab kdac kdad kdak kdao kdbb kdbs kdca kdcc kdcd kdco kddb kddc kddd kddk kdka kdkb kdkd kdkk kdko kdoc kdok kdow kdsc kdsd kdsk kdss kdwa kdwd kkaa kkac kkaw kkba kkbb kkbd kkbo kkbs kkcb kkcd kkck kkco kkcs kkcw kkda kkdc kkdd kkdo kkkk kkoa kkob kkoo kkow kksa kksd kkss kksw kkwb kkwd kkwk kkws koab koac koak koas koba kobb kobc kobk kobo kobs koca kocb kocd kock kocs kocw koda kodk kodo kods koka kokb kokc kokk koko koks koob kooc kook kooo koos kos- kosa kosb kosc kosd koso koss kowa kowb kowd ksab ksac ksak ksas ksaw ksba ksbc ksbs ksbw ksca kscb ksck ksco kscs ksdc ksdk ksds ksdw kska kskb kskd kskk ksko ksks ksob ksoc ksok ksoo ksos ksow kssa ksso ksss kswa kswb kswc kswd kswo ksws ksww kwab kwac kwad kwak kwaw kwbc kwbw kwca kwcd kwck kwdc kwdd kwdk kwdw kwka kwkb kwkc kwkk kwkw kwoa kwoc kwod kwok kwos kwow kwsa kwsc kwsd kwsk kwso kwss kwsw kwwk kwws oaks oasc oass obad obak obas obba obbo obkb obok obos obsd obss ocab ocac ocad ocak ocas ocbc occa occc ocds ocks ocos ocsa ocsw odac odas odbo odda oddd odds odoo odos odso okak okas okka okko okok oksa okso ooaa ooak ooba ooda oooo ooos oosa osak osas osba osca oscc osco osoo osos osow ossa ossb ossd osso owda owow owsa owwa s-os sa-c saab saac saad saak saas saba sabb sabc sabo sabs saca sacc sacd sack saco sacs sada sadb sadc sadd sado sads saka sakb sakk sako saks saos sasa sasc sasd sask saso sass sawa sawd saws sbaa sbac sbas sbbs sbca sbcc sbcs sbds sbsa sbsd scaa scab scac scad scak scas scaw scba sccc sccs scda scdc scds sck- scob scok scoo scow scsa scsc scsd scso sdak sdba sdcc sdco sddc sdds sdsc sdss skab skac skad skaw skow sksd skss skws soad soak soas soaw soba sobo