a-ak a-ha a-ok aaaa aaab aaah aaas aaba aabb aabh aaha aahk aahs aaka aaoo aasa aass abaa abab abak abas abb- abba abbb abbo abbs abha abho abhs aboa abob aboh abok aboo abos abs- absa abss ahab ahah ahas ahha ahhs ahoa ahok ahsa ahso ahss akaa akah akao akas akha akhs akka akko akok akos aksa aoah aoba aoks aoss asaa asab asah asak asao asas asba asbo asha ashk ashs aska asko asks asob asok asos assa assh assk asso asss baaa baah baak baas baba babb babo babs baha baho bahs bak- baka bakh bako baks baoh baos basa bash bask baso bass bbas bbbb bbbs bbhs bhao bhhs bkhs boab boak boas boba bobb bobo bobs boha boho bohs boka boko boks boob booh book boos bosa bosh bosk boso boss bsaa bsas bshs bsos haab haak haas haba habo habs haha haho hahs haka hakk hako haks hasa hash hask hass hbbs hbhs hbos hbss hhaa hhhh hhhs hoas hoba hobo hobs hoha hoho hoka hoko hoks hook hoos hosa hosh hoss hsas hshs hsob k-os kaaa kaab kaak kaas kaba kabb kabo kaha kaho kahs kaka kakh kakk kako kaks kaoa kaok kaos kas- kasa kasb kash kask kaso kass kbaa kbab kbak kbas kbba kbbb kbbk kbbo kbbs kbhb kbhh kbhs kbkb kbkk kbko kboa kbob kbok kboo kbos kbsa kbsb kbsk kbso kbss khab khak khao khas khbs khhk khho khhs khka khkk khks khoa khob khok khss kkaa kkba kkbb kkbo kkbs kkha kkhb kkhh kkhk kkkk kkoa kkob kkoh kkoo kksa kkss koab koak koas koba kobb kobk kobo kobs koha kohh koho kohs koka kokb kokh kokk koko koks koob kook kooo koos kos- kosa kosb kosh koso koss ksab ksah ksak ksas ksba ksbh ksbs ksha kshb kshk ksho kshs kska kskb kskk ksko ksks ksob ksok ksoo ksos kssa ksso ksss oahs oaks oass obak obas obba obbo obhs obkb obok obos obss ohba ohho ohhs ohob ohoh ohok ohos ohso ohss okak okas okha okka okko okok oksa okso ooaa ooak ooba ooha ooho oohs oooh oooo ooos oosa osak osas osba osha osho oshs osoo osos ossa ossb osso s-os saab saah saak saas saba sabb sabo sabs saha sahk saho sahs saka sakb sakk sako saks saos sasa sash sask saso sass sbaa sbas sbbs sbhk sbhs sbsa shab shah shak shao shas shbs shha shhh shhs shoa shok shoo shos skab skhs skss soak soas soba sobo sobs soha sohh soho sohs soka sokk soko sook soos sosa sosh soso soss ssaa ssab ssao ssas sshs sssa sssb sssh ssss