-ic a-a a-b a-c a-i aaa aab aac aai aao aas aay ab- aba abb abc abi abo abs aby ac- aca acb acc aci aco acs acy ai- aia aib aic aii aio ais aiy aoa aob aoc aoi aoo aos as- asa asb asc asi aso ass asy ay- aya ayc ayi ayo ays baa bab bac bai bao bas bay bba bbb bbc bbi bbo bbs bby bca bcb bcc bci bco bcs bcy bi- bia bib bic bii bio bis biy boa bob boc boi boo bos boy bsa bsb bsc bsi bso bss bsy by- bya byc byi byo bys c-- caa cab cac cai cao cas cay cba cbb cbc cbi cbo cbs cby cca ccb ccc cci cco ccs ci- cia cib cic cii cio cis co- coa cob coc coi coo cos coy csa csb csc csi cso css csy cya cyb cyc cyo cys ia- iaa iab iac iai iao ias iba ibb ibc ibi ibo ibs iby ica icb icc ici ico ics icy iia iib iic iii iio iis io- ioa iob ioc ioi ioo ios is- isa isb isc isi iso iss isy iya iyc iyo iys iyy o-i oaa oab oac oai oao oas ob- oba obb obc obi obo obs oby oc- oca ocb occ oci oco ocs oia oib oic oii oio ois oo- ooa oob ooc ooi ooo oos os- osa osb osc osi oso oss oya oyi oyo oys saa sab sac sai sao sas say sba sbb sbc sbi sbo sbs sby sca scb scc sci sco scs sia sib sic sii sio sis soa sob soc soi soo sos soy ss- ssa ssb ssc ssi sso sss sy- sya syb syc syi sys yaa yab yac yai yao yas yay ybc ybi ybs yby yca ycc yci yco ycs ycy yii yio yis yob yoc yoi yoo yos yoy ysa ysb ysc ysi yso yss ysy yyb yyc yys yyy

a-ii a-ya a-yo aaaa aaab aaac aaai aaas aaba aabb aabc aabi aaby aaca aacb aacc aaci aaco aacs aacy aaib aaic aaii aais aaoo aasa aasc aasi aass abaa abab abac abai abas abay abb- abba abbb abbi abbo abbs abby abca abcb abcc abci abcs abia abib abic abis abiy aboa abob aboo abos aboy abs- absa absi abss abyc abys abyy acaa acab acac acai acas acba acca accc acci acco accs accy aci- acia acic acis acoa acos acoy acsa acsc acsi acss aiai aias aiba aibo aica aicc aics aiia aiib aiic aioc aioi aisa aisb aisi aiso aisy aoba aoca aocs aoss asaa asab asac asai asao asas asay asba asbo asby asc- asca ascb ascc asci asco asia asic asii asio asis asob asoc asoi asos assa assc assi asso asss assy asya ay-o ayao ayas ayay ayca ayoo ayos ayya ba-i baaa baas baba babb babi babo babs baby bac- baca bacc baci baco bacs baia baib baic baio bais baos basa basc basi baso bass baya bayi bayo bays bbas bbay bbbb bbbs bbci bboy bbyo bcaa bcas bcbc bcbs bcca bccc bcci bccs bcia bcis bcos bcsa bcsc bcss biao bias biba bibb bibi bibo bibs bica bicc bici bico bics biis bio- bioc bioi bios bis- bisa bisc biso biss bisy biya biys boab boac boai boas boba bobb bobi bobo bobs boby boca boco bocs boi- boii bois boob booc boos bosa bosc bosi boso boss boya boyi boyo boys bsaa bsac bsas bsci bscs bsic bsos bssc byas byoa byob byoc byoi byos bysb bysi byso byss bysy c-bo caaa caab caac caas caba cabi cabo cabs caby cac- caca cacc caci caco caia caib caic caio cais caoi caos casa casb casc casi caso cass cayo cays cbac cbbc cbbs cbca cbcc cbcs cbia cbsa cbsc cbsi ccaa ccab ccac ccai ccas ccba ccbc ccca cccb cccc ccci cccs ccic ccii ccis ccob ccoc ccsa ccsi ccss ciaa ciao cias ciba cibc cibi cibo cica cicc cici cico cics ciia ciii ciis ciob cios cis- cisa cisc ciss cisy coai coas coba cobb cobi cobo cobs coby coca coco coia cois coob coos cosa cosc cosi coso coss cosy coya coyo coys csaa csab csac csao csas cscb cscc csci csco cscs csia csib csio csis csob csos cssa csys cya- cyaa cyba cybb cybc cybi cybo cyc- cyca cycb cycc cycs cyoa cyy- cyyc i-by iaaa iaac iaai iaas iaba iaca iacc iacs iaia iais iasa iasc iasi iaso iayc ibac ibas ibca ibcs ibia ibis ibos ibsa ibss ibyi icaa icab icac icai icao icas icbc icbs icca iccb iccc icci icco iccs icis icoc icos icsa icsb icsc icsi icss iiac iias iica iiii iiio iiis iioi iioo iios iisc iisi ioba iobi ioby ioci ioii ioio iooi iooo ioos ioso is-a isac isai isao isas isay isba isca iscc isci isco iscs isia isic isis iso- isoc isos issa issc issi isso isss issy isys iyai iyos oaic oais oasc oasi oass oasy obai obas obay obba obbo obby obia obis oboi obos oboy obss ocab ocac ocas ocbc occa occc occi ocis ocos ocsa ocys oiba oici oiii oios oisc ooaa ooba oobi ooby ooia oooo ooos oosa oosi osai osas osay osba osby osca oscc osci osco osia osii osis osoi osoo osos ossa ossb ossi osso ossy oyas oyss s-ib s-ic s-ii s-os sa-c saab saac saas saba sabb sabc sabi sabo sabs saca sacc saci saco sacs sacy saia saic sais saoi saos sasa sasc sasi saso sass saya sayi sayo says sbaa sbac sbai sbas sbbs sbca sbcc sbcs sbia sbic sbsa sbsi scaa scab scac scai scas scay scba scbi sccc sccs sccy sci- scia scic scio scis scob scoo scsa scsc scsi scso siaa siab siac siai sias siba sibc sibi sibo sibs siby sica sicc sici sico sics sios sisa sisc sisi siss sisy siya siyi soas soay soba sobo sobs soca soci soco socs