-ic a-a a-b a-c a-i aaa aab aac aai aao aas aav ab- aba abb abc abi abo abs abv ac- aca acb acc aci aco acs acv ai- aia aib aic aii aio ais aiv aoa aob aoc aoi aoo aos aov as- asa asb asc asi aso ass asv av- ava avb avc avi avo avs baa bab bac bai bao bas bav bba bbb bbc bbi bbo bbs bca bcb bcc bci bco bcs bcv bi- bia bib bic bii bio bis biv boa bob boc boi boo bos bov bsa bsb bsc bsi bso bss bsv bva bvb bvc bvi bvo bvs bvv c-- caa cab cac cai cao cas cav cba cbb cbc cbi cbo cbs cbv cca ccb ccc cci cco ccs ccv ci- cia cib cic cii cio cis civ co- coa cob coc coi coo cos cov csa csb csc csi cso css csv cva cvb cvc cvi cvo cvs cvv i-v ia- iaa iab iac iai iao ias iav iba ibb ibc ibi ibo ibs ibv ica icb icc ici ico ics icv iia iib iic iii iio iis io- ioa iob ioc ioi ioo ios iov is- isa isb isc isi iso iss isv iva ivb ivc ivi ivo ivs ivv o-i oaa oab oac oai oao oas oav ob- oba obb obc obi obo obs obv oc- oca ocb occ oci oco ocs ocv oia oib oic oii oio ois oiv oo- ooa oob ooc ooi ooo oos oov os- osa osb osc osi oso oss osv ov- ova ovb ovc ovi ovo ovs ovv saa sab sac sai sao sas sav sba sbb sbc sbi sbo sbs sbv sca scb scc sci sco scs scv sia sib sic sii sio sis siv soa sob soc soi soo sos sov ss- ssa ssb ssc ssi sso sss ssv sva svb svc svi svo svs svv v-a vaa vab vac vai vao vas vav vba vbc vbi vbo vbs vbv vca vcc vci vco vcs vi- via vib vic vii vio vis viv voa vob voc voi voo vos vov vsa vsb vsc vsi vso vss vsv vva vvb vvc vvi vvo vvs vvv

-vac a-ii a-iv aaaa aaab aaac aaai aaas aaav aaba aabb aabc aabi aaca aacb aacc aaci aaco aacs aacv aaib aaic aaii aais aaoo aasa aasc aasi aass aava abaa abab abac abai abas abb- abba abbb abbi abbo abbs abca abcb abcc abci abcs abia abib abic abis aboa abob aboo abos abov abs- absa absi abss abva acaa acab acac acai acas acba acca accc acci acco accs aci- acia acic acis acoa acos acsa acsc acsi acss acvs acvv aiai aias aiba aibo aica aicc aics aiia aiib aiic aioc aioi aisa aisb aisi aiso aiva aoba aoca aocs aoss asaa asab asac asai asao asas asba asbo asc- asca ascb ascc asci asco asia asic asii asio asis asob asoc asoi asos assa assc assi asso asss asva asvs avab avao avas avcc avco avia avic avio avis aviv avos avva avvo ba-i baaa baas baba babb babi babo babs bac- baca bacc baci baco bacs baia baib baic baio bais baos basa basc basi baso bass bava bavi bbas bbbb bbbs bbci bcaa bcas bcbc bcbs bcca bccc bcci bccs bcia bcis bcos bcsa bcsc bcss bcvo biao bias biba bibb bibi bibo bibs bica bicc bici bico bics biis bio- bioc bioi bios bis- bisa bisc biso biss bivi boab boac boai boas boba bobb bobi bobo bobs boca boco bocs boi- boii bois boob booc boos bosa bosc bosi boso boss bova bovi bovo bsaa bsac bsas bsci bscs bsic bsos bssc bvsc c-bo caaa caab caac caas caba cabi cabo cabs cac- caca cacc caci caco caia caib caic caio cais caoi caos casa casb casc casi caso cass cava cavi cavo cavs cbac cbbc cbbs cbca cbcc cbcs cbia cbsa cbsc cbsi cbva cbvb ccaa ccab ccac ccai ccas ccba ccbc ccca cccb cccc ccci cccs cccv ccic ccii ccis cciv ccob ccoc ccsa ccsi ccss ccvi ccvo ccvs ciaa ciao cias ciba cibc cibi cibo cica cicc cici cico cics ciia ciii ciis ciob cios cis- cisa cisc ciss cisv civa civc civo coai coas coba cobb cobi cobo cobs coca coco coia cois coob coos cosa cosc cosi coso coss cova covo csaa csab csac csao csas csav cscb cscc csci csco cscs csia csib csio csis csob csos cssa cvac cvas cvbs cvca cvcc cvii cvss iaaa iaac iaai iaas iaba iaca iacc iacs iaia iais iasa iasc iasi iaso iava ibac ibas ibca ibcs ibia ibis ibos ibsa ibss 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 ioci ioii ioio iooi iooo ioos ioso is-a isac isai isao isas isba isca iscc isci isco iscs isia isic isis iso- isoc isos issa issc issi isso isss ivai ivao ivbv ivic oaic oais oasc oasi oass oavs obai obas obba obbo obia obis oboi obos obss obvi obvs ocab ocac ocas ocbc occa occc occi ocis ocos ocsa oiav oiba oici oiii oios oisc ooaa ooba oobi ooia oooo ooos oosa oosi osai osas osba osca oscc osci osco osia osii osis osoi osoo osos osov ossa ossb ossi osso ovcs ovi- ovis ovo- ovoo s-ib s-ic s-ii s-iv s-os sa-c saab saac saas saba sabb sabc sabi sabo sabs saca sacc saci saco sacs saia saic sais saiv saoi saos sasa sasc sasi saso sass sava savi savo savs sbaa sbac sbai sbas sbbs sbca sbcc sbcs sbia sbic sbsa sbsi scaa scab scac scai scas scba scbi sccc sccs sci- scia scic scio scis sciv scob scoo scsa scsc scsi scso siaa siab siac siai sias siba sibc sibi sibo sibs sica sicc sici sico sics sios sisa sisc sisi siss siva sivi soas