-ase -ose a-ak a-be a-ok aaaa aaab aaae aaas aaba aabb aaea aaes aaka aake aaoe aaoo aasa aase aass abaa abab abae abak abas abb- abba abbb abbe abbo abbs abee abes aboa abob abok aboo abos abs- absa abse abss aeas aebs aeka aess akaa akae akao akas akee akes akka akko akok akos aksa aoba aoks aoss asaa asab asae asak asao asas asba asbo asea asee asek ases aska aske asko asks asob asok asos assa asse assk asso asss baaa baak baas baba babb babe babo babs baek baes bak- baka bake bako baks baos basa base bask baso bass bbas bbbb bbbs bbeb beak beas beba bebb bebe bebo beeb beek bees beka beke beko beks beo- beok beos bes- besa bese besk beso bess boab boak boas boba bobb bobe bobo bobs boea boee boeo boes boka boke boko boks boob booe book boos bosa bose bosk boso boss bsaa bsas bsea bseb bsee bses bsos bsse eaba easa ease easo ebba ebbo ebbs ebes eboe eboo ebos ebsa eeea eeee eees eeka eeke eeks eese eesk eka- ekab ekeb ekek ekes ekka ekoa ekos eoes eoka esab esas esba esbo esbs esea esee esek eseo eses eska eske esko esks eso- esok esos essa esse esso k-os kaaa kaab kaak kaas kaba kabb kabe kabo kaeo kaes kaka kake kakk kako kaks kaoa kaok kaos kas- kasa kasb kase kask kaso kass kbaa kbab kbae kbak kbas kbba kbbb kbbe kbbk kbbo kbbs kbeb kbee kbek kbeo kbes kbkb kbkk kbko kboa kbob kboe kbok kboo kbos kbsa kbsb kbsk kbso kbss kea- keak keas keba kebb kebe keek kees keka kekb keke keko keks keok keos kesa kesb kesk keso kess kkaa kkba kkbb kkbe kkbo kkbs kkea kkkk kkoa kkob kkoo kksa kkse kkss koab koae koak koas koba kobb kobe kobk kobo kobs koea koes koka kokb koke kokk koko koks koob kook kooo koos kos- kosa kosb kose koso koss ksab ksak ksas ksba ksbs ksea ksee ksek kseo kska kskb kske kskk ksko ksks ksob ksok ksoo ksos kssa ksse ksso ksss o-eo oaes oake oaks oase oass obak obas obba obbo obea obes obkb oboe obok obos obss oese okak okas okes okka okko okok oksa okso ooaa ooak ooba oobe ooes oooo ooos oosa oose osak osas osba osbe osea osee osek oses osoo osos ossa ossb osse osso s-os saab saae saak saas saba sabb sabe sabo sabs saeb saek saes saka sakb sake sakk sako saks saos sasa sase sask saso sass sbaa sbas sbbs sbsa sbse se-e se-k se-o se-s seaa seab seak seas seba sebe sebo sebs seea seeb seek sees seka seke sekk seko seok sesa sese seso sess skab skee skeo skes skoe skss soak soas soba sobe sobo sobs soea soeo soes soka soke sokk soko sook soos sosa sose soso soss ssaa ssab ssao ssas ssee sses sssa sssb ssss