a-ak a-ok a-ya a-yo aaaa aaab aaas aaba aabb aaby aaka aaoo aasa aass abaa abab abak abas abay abb- abba abbb abbo abbs abby aboa abob abok aboo abos aboy abs- absa abss abys abyy akaa akao akas akay akka akko akok akos aksa aoba aoks aoss asaa asab asak asao asas asay asba asbo asby aska asko asks asky asob asok asos assa assk asso asss assy asya ay-o ayao ayas ayay ayoo ayos ayya baaa baak baas baba babb babo babs baby bak- baka bako baks baos basa bask baso bass baya bayo bays bbas bbay bbbb bbbs bboy bbyo boab boak boas boba bobb bobo bobs boby boka boko boks boob book boos bosa bosk boso boss boya boyo boys bsaa bsas bsos byas byoa byob byos bysb byso byss bysy k-os kaaa kaab kaak kaas kaay kaba kabb kabo kaby kaka kakk kako kaks kaoa kaok kaos kas- kasa kasb kask kaso kass kaya kayo kays kbaa kbab kbak kbas kbay kbba kbbb kbbk kbbo kbbs kbkb kbkk kbko kbky kboa kbob kbok kboo kbos kbsa kbsb kbsk kbso kbss kbsy kbya kbyb kbyo kbys kkaa kkay kkba kkbb kkbo kkbs kkkk kkoa kkob kkoo kkoy kksa kkss kkya kkys kkyy koab koak koas koay koba kobb kobk kobo kobs koby koka kokb kokk koko koks koky koob kook kooo koos kos- kosa kosb koso koss kosy koya koyo koyy ksab ksak ksas ksba ksbs ksby kska kskb kskk ksko ksks ksky ksob ksok ksoo ksos kssa ksso ksss ksyy kyaa kyak kyay kyba kybb kybo kyby kyka kykk kyks kyky kyok kyoo kyos kyoy kysa kysk kyya kyyk kyyo kyys kyyy oaks oaky oass oasy obak obas obay obba obbo obby obkb obok obos oboy obss okak okas okay okby okka okko okok oksa okso okyo ooaa ooak ooba ooby ooky oooo ooos oosa osak osas osay osba osby osoo osos ossa ossb osso ossy oyak oyas oyss s-os saab saak saas saba sabb sabo sabs saka sakb sakk sako saks saky saos sasa sask saso sass saya sayo says sbaa sbas sbbs sbsa skab skss sky- skys skyy soak soas soay soba sobo sobs soka sokk soko sook soos sooy sosa soso soss soya soyo soys ssaa ssab ssao ssas ssby sssa sssb ssss sybo syso syss syyk yaak yaas yaba yabo yaka yako yaks yasa yask yaso yass yaya yayo yays ybas ybbs ykko yoak yoba yobo yobs yoko yoks yoky yook yoso yoyo ysay ysby ysyb yyyy