-ic a-a a-b a-c a-i aaa aab aac aai aao aas aau ab- aba abb abc abi abo abs abu ac- aca acb acc aci aco acs acu ai- aia aib aic aii aio ais aiu aoa aob aoc aoi aoo aos aou as- asa asb asc asi aso ass asu au- aua aub auc aui auo aus b-u baa bab bac bai bao bas bau bba bbb bbc bbi bbo bbs bbu bca bcb bcc bci bco bcs bcu bi- bia bib bic bii bio bis biu boa bob boc boi boo bos bou bsa bsb bsc bsi bso bss bsu bua bub buc bui buo bus buu c-- caa cab cac cai cao cas cau cba cbb cbc cbi cbo cbs cbu cca ccb ccc cci cco ccs ccu ci- cia cib cic cii cio cis ciu co- coa cob coc coi coo cos cou csa csb csc csi cso css csu cua cub cuc cui cuo cus cuu ia- iaa iab iac iai iao ias iau iba ibb ibc ibi ibo ibs ibu ica icb icc ici ico ics icu iia iib iic iii iio iis iiu io- ioa iob ioc ioi ioo ios iou is- isa isb isc isi iso iss isu iu- iua iub iuc iui ius o-i oaa oab oac oai oao oas oau ob- oba obb obc obi obo obs obu oc- oca ocb occ oci oco ocs ocu oia oib oic oii oio ois oiu oo- ooa oob ooc ooi ooo oos os- osa osb osc osi oso oss osu ou- oua ouc oui ouo ous saa sab sac sai sao sas sau sba sbb sbc sbi sbo sbs sbu sca scb scc sci sco scs scu sia sib sic sii sio sis siu soa sob soc soi soo sos sou ss- ssa ssb ssc ssi sso sss ssu sua sub suc sui suo sus suu ua- uaa uab uac uai uao uas uau uba ubb ubc ubi ubo ubs ubu uca ucb ucc uci uco ucs ucu uia uib uic uii uio uis uiu uoa uob uoc uoo uos usa usb usc usi uso uss usu uua uuc uus uuu

-ous a-ii aaaa aaab aaac aaai aaas aaba aabb aabc aabi aaca aacb aacc aaci aaco aacs aacu aaib aaic aaii aais aaoo aasa aasc aasi aass aasu aaus abaa abab abac abai abas abau abb- abba abbb abbi abbo abbs abca abcb abcc abci abcs abia abib abic abis abiu aboa abob aboo abos abou abs- absa absi abss absu abua abus acaa acab acac acai acas acba acca accc acci acco accs accu aci- acia acic acis acoa acos acou acsa acsc acsi acss acu- acuo acus aiai aias aiba aibo aica aicc aics aiia aiib aiic aioc aioi aisa aisb aisi aiso aiui aoba aoca aocs aoss aous asaa asab asac asai asao asas asau asba asbo asbu asc- asca ascb ascc asci asco asia asic asii asio asis asob asoc asoi asos asou assa assc assi asso asss assu asub asui asus auaa auca auci auis ausa ausu ba-i baaa baas baba babb babi babo babs babu bac- baca bacc baci baco bacs baia baib baic baio bais baos basa basc basi baso bass basu bau- bbas bbau bbbb bbbs bbci bcaa bcas bcbc bcbs bcca bccc bcci bccs bcia bcis bcos bcsa bcsc bcss bcuc biao bias biba bibb bibi bibo bibs bica bicc bici bico bics biis bio- bioc bioi bios biou bis- bisa bisc biso biss bisu boab boac boai boas boba bobb bobi bobo bobs bobu boca boco bocs bocu boi- boii bois boiu boob booc boos bosa bosc bosi boso boss bosu boua bous bsaa bsac bsas bsci bscs bsic bsos bssc buba bubb bubi bubo bubs bubu buca bucc buci buco bucs bucu buic buis buiu busa busc busi buss busu buus c-bo caaa caab caac caas caba cabi cabo cabs cabu cac- caca cacc caci caco caia caib caic caio cais caiu caoi caos casa casb casc casi caso cass casu cauc cauo caus cbac cbbc cbbs cbca cbcc cbcs cbcu cbia cbsa cbsc cbsi cbus ccaa ccab ccac ccai ccas ccba ccbc ccca cccb cccc ccci cccs cccu ccic ccii ccis ccob ccoc ccsa ccsi ccss ccuc ccus ciaa ciao cias ciau ciba cibc cibi cibo cica cicc cici cico cics cicu ciia ciii ciis ciob cios cis- cisa cisc ciss ciuc cius coai coas coba cobb cobi cobo cobs cobu coca coco cocu coia cois coob coos cosa cosc cosi coso coss coua coub cous csaa csab csac csao csas cscb cscc csci csco cscs csia csib csio csis csob csos cssa csua csus cuau cub- cuba cubb cubi cubs cuca cucc cuci cui- cuis cusa cusb cuso cuss cusu iaaa iaac iaai iaas iaba iaca iacc iacs iacu iaia iais iasa iasc iasi iaso ibac ibas ibca ibcs ibia ibis ibos ibsa ibss ibus icaa icab icac icai icao icas icbc icbs icca iccb iccc icci icco iccs iccu icis icoc icos icsa icsb icsc icsi icss icub icus iiac iias iica iiii iiio iiis iioi iioo iios iisc iisi iisu iiuc ioba iobi ioci ioii ioio iooi iooo ioos ioso iosu ious is-a isac isai isao isas isba isca iscc isci isco iscs iscu isia isic isis iso- isoc isos issa issc issi isso isss issu isua isus iucc iuiu iuss oaau oaic oais oasc oasi oass obai obas obba obbo obia obis oboi obos obss obus ocab ocac ocas ocbc occa occc occi ocis ocos ocsa oiba oici oiii oios oisc oisu ooaa ooba oobi ooia oooo ooos oosa oosi oous osai osas osba osca oscc osci osco osia osii osis osoi osoo osos ossa ossb ossi osso ossu ouac oubs oucc ouii ouis ousa ouu- s-ib s-ic s-ii s-os sa-c saab saac saas saba sabb sabc sabi sabo sabs sabu saca sacc saci saco sacs sacu saia saic sais saoi saos saou sasa sasc sasi saso sass saua sauc saus sbaa sbac sbai sbas