a-ii aaaa aaab aaac aaai aaap aaas aaba aabb aabc aabi aabp aabt aaca aacb aacc aaci aaco aacp aacs aact aaib aaic aaii aais aaoo aapa aapc aapi aapo aaps aapt aasa aasc aasi aass aast aata aatc aatt abaa abab abac abai abap abas abat abb- abba abbb abbi abbo abbs abbt abca abcb abcc abci abcp abcs abct abia abib abic abis abit aboa abob aboo abos abot abpa abpc abpi abpp abps abs- absa absi absp abss abta abts ac-t acaa acab acac acai acap acas acat acba acca accc acci acco accp accs acct aci- acia acic acip acis acoa acop acos acot acpa acpi acps acpt acsa acsc acsi acss acst acta actc acti acto acts actt aiai aias aiba aibo aica aicc aicp aics aiia aiib aiic aioc aioi aipa aipi aips aisa aisb aisi aiso aist aita aiti aits aitt aoba aoca aocs aopo aosp aoss aotc apac apai apao apap apas apat apba apbs apca apcb apcc apco apcs api- apia apic apio apip apis apit apo- apoc apoo apop apos apot appa appc apps appt apsa apsi apso apss apta aptc apti apts aptt asaa asab asac asai asao asap asas asat asba asbo asc- asca ascb ascc asci asco ascp asct asia asic asii asio asip asis asit asob asoc asoi asop asos asot aspa aspc aspi aspo asps aspt assa assc assi asso assp asss asst asta astb astc asti asto astp asts at-t ataa atab atac atai atap atas atat atbs atca atcc atco atcs atia atic atip atis atit atob atoc atoi atop atos atot atsb atsc atsi atst atta atti atto attp atts ba-i baaa baas baat baba babb babi babo babs bac- baca bacc baci baco bacs bact baia baib baic baio bais bait baos bapa bapc bapi bapp baps bapt basa basc basi baso bass bast bata batc bati bato bats batt bbas bbbb bbbs bbci bcaa bcap bcas bcat bcbc bcbp bcbs bcca bccc bcci bccs bcia bcis bcit bcos bcpp bcps bcsa bcsc bcss bctc bcts biao biap bias biat biba bibb bibi bibo bibs bica bicc bici bico bics biis bio- bioc bioi bios biot bipa bipp bips bis- bisa bisc biso bisp biss bist bita bitc bito bits bitt boab boac boai boas boat boba bobb bobi bobo bobs boca boco bocs boi- boii bois boit boob booc boop boos boot bopa bopp bops bosa bosc bosi boso boss bost bota botb boti boto bots bott bpai bpcp bpot bpsa bpti bsaa bsac bsap bsas bsat bsci bscp bscs bsic bsos bspp bssc bsts btaa btbp btcc btcs btob btps btss bttb c-bo caaa caab caac caap caas caat caba cabi cabo cabs cac- caca cacc caci caco caia caib caic caio caip cais cait caoi caos capa capb capc capi capo capp caps capt casa casb casc casi caso casp cass cast cat- cata catb catc cati cato cats catt cbac cbat cbbc cbbs cbca cbcc cbcp cbcs cbct cbia cbit cbot cbpc cbpp cbsa cbsc cbsi cbta cbtc ccaa ccab ccac ccai ccap ccas ccat ccba ccbc ccca cccb cccc ccci cccp cccs ccic ccii ccip ccis ccob ccoc ccpa ccpp ccps ccsa ccsi ccsp ccss ccst cctb cctc cctt ciaa ciao cias ciat ciba cibc cibi cibo cica cicc cici cico cics cict ciia ciii ciis ciit ciob cios cipa cipo cipp cips cis- cisa cisc cisp ciss cist cita citb citi cito citp cits citt coai coas coat coba cobb cobi cobo cobs coca coco cocp coct coia coip cois coit coob coop coos coot copa copi copo copp cops copt cosa cosc cosi coso cosp coss cost cota cotb cotc coti coto cots cott cpaa cpac cpap cpas cpbc cpca cpcs cpia cpic cpio cpos cppa cpps cpsa cpsc cpso cptp cpts csaa csab csac csao csas csat cscb cscc csci csco cscs csia csib csio csis csit csob csos csot cspa cspb cspc cspi csps cspt cssa csta cstc csto csts ctab ctba ctbi ctbs ctca ctcp ctia ctic ctos ctot ctpo ctpp ctps ctsa ctsc ctss ctta ctts iaaa iaac iaai iaap iaas iaat iaba iaca iacc iacp iacs iact iaia iais iapa iapp iaps iapt iasa iasc iasi iaso iasp iata iatc iati ibac ibas ibat ibca ibcs ibia ibis ibos ibot ibsa ibss ibtb ibtc ibts icaa icab icac icai icao icap icas icat icbc icbp icbs icca iccb iccc icci icco iccp iccs icct icis icoc icos icpa icpc icpo icps icsa icsb icsc icsi icsp icss icst icta ictp icts iiac iias iica iiii iiio iiis iiit iioi iioo iiop iios iipa iisc iisi iisp iist iita iitt ioba iobi ioci iocp ioii ioio ioit iooi iooo ioos iops ioso iota ioto ipac ipas ipat ipba ipca ipcc ipcs ipct ipop ipos ippa ippc ippo ipsa ipsc ipsi ipso ipsp ipss ipta iptc ipto ipts is-a isac isai isao isas isat isba isbt isca iscc isci isco iscp iscs isct isia isic isis isit iso- isoc isop isos ispa ispc isps issa issc issi isso issp isss ista istc isti isto istp ists itaa itac itai itap itas itat itbs itcs itia itic itis itoi itoo itos itpa itpc itsa itsi itso itsp itta itto oaic oais oapi oaps oasc oasi oass oast oats obai obas obba obbo obia obis obit oboi obos obot obss obst obts ocab ocac ocap ocas ocat ocbc occa occc occi occt ocis ocos ocpa ocpp ocsa oct- octa octi octo octs oiba oici oiii oios oipc oisc oist oita oitc oiti ooaa ooba oobi ooia oooo ooos oops oosa oosi oost ootb ootp oots opap opca opia opic opii opio opis opit opo- opos oppa oppi oppo opps opsa opsi opti opto opts osai osap osas osat osba osbp osca oscc osci osco osia osii osip osis osoi osoo osos ossa ossb ossi osso osta ostc osti osts otac otap otas otbs otic otis otit oto- otoo otos otpp otsa otso otta