-ic a-a a-b a-c a-i a-t aaa aab aac aai aao aas aat aav ab- aba abb abc abi abo abs abt abv ac- aca acb acc aci aco acs act acv ai- aia aib aic aii aio ais ait aiv aoa aob aoc aoi aoo aos aot aov as- asa asb asc asi aso ass ast asv at- ata atb atc ati ato ats att atv av- ava avb avc avi avo avs avt baa bab bac bai bao bas bat bav bba bbb bbc bbi bbo bbs bbt bca bcb bcc bci bco bcs bct bcv bi- bia bib bic bii bio bis bit biv boa bob boc boi boo bos bot bov bsa bsb bsc bsi bso bss bst bsv bta btb btc bti bto bts btt btv bva bvb bvc bvi bvo bvs bvt bvv c-- caa cab cac cai cao cas cat cav cba cbb cbc cbi cbo cbs cbt cbv cca ccb ccc cci cco ccs cct ccv ci- cia cib cic cii cio cis cit civ co- coa cob coc coi coo cos cot cov csa csb csc csi cso css cst csv cta ctb ctc cti cto cts ctt ctv cva cvb cvc cvi cvo cvs cvt cvv i-v ia- iaa iab iac iai iao ias iat iav iba ibb ibc ibi ibo ibs ibt ibv ica icb icc ici ico ics ict icv iia iib iic iii iio iis iit io- ioa iob ioc ioi ioo ios iot iov is- isa isb isc isi iso iss ist isv ita itb itc iti ito its itt itv iva ivb ivc ivi ivo ivs ivt ivv o-i oaa oab oac oai oao oas oat oav ob- oba obb obc obi obo obs obt obv oc- oca ocb occ oci oco ocs oct ocv oia oib oic oii oio ois oit oiv oo- ooa oob ooc ooi ooo oos oot oov os- osa osb osc osi oso oss ost osv ot- ota otb otc oti oto ots ott otv ov- ova ovb ovc ovi ovo ovs ovv saa sab sac sai sao sas sat sav sba sbb sbc sbi sbo sbs sbt sbv sca scb scc sci sco scs sct scv sia sib sic sii sio sis sit siv soa sob soc soi soo sos sot sov ss- ssa ssb ssc ssi sso sss sst ssv sta stb stc sti sto sts stt stv sva svb svc svi svo svs svt svv taa tab tac tai tao tas tat tav tba tbb tbc tbi tbo tbs tbt tbv tca tcb tcc tci tco tcs tct tcv tia tib tic tii tio tis tit tiv to- toa tob toc toi too tos tot tov tsa tsb tsc tsi tso tss tst tsv tta ttb ttc tti tto tts ttt ttv tva tvb tvc tvi tvo tvs tvt v-a vaa vab vac vai vao vas vat vav vba vbc vbi vbo vbs vbv vca vcc vci vco vcs vct vi- via vib vic vii vio vis vit viv voa vob voc voi voo vos vot vov vsa vsb vsc vsi vso vss vst vsv vta vtb vtc vti vto vts vtt vtv vva vvb vvc vvi vvo vvs vvt vvv

-vac a-ii a-iv aaaa aaab aaac aaai aaas aaav aaba aabb aabc aabi aabt aaca aacb aacc aaci aaco aacs aact aacv aaib aaic aaii aais aaoo aasa aasc aasi aass aast aata aatc aatt aava abaa abab abac abai abas abat abb- abba abbb abbi abbo abbs abbt abca abcb abcc abci abcs abct abia abib abic abis abit aboa abob aboo abos abot abov abs- absa absi abss abta abts abva ac-t acaa acab acac acai acas acat acba acca accc acci acco accs acct aci- acia acic acis acoa acos acot acsa acsc acsi acss acst acta actc acti acto acts actt actv acvs acvv aiai aias aiba aibo aica aicc aics aiia aiib aiic aioc aioi aisa aisb aisi aiso aist aita aiti aits aitt aiva aoba aoca aocs aoss aotc asaa asab asac asai asao asas asat asba asbo asc- asca ascb ascc asci asco asct asia asic asii asio asis asit asob asoc asoi asos asot assa assc assi asso asss asst asta astb astc asti asto asts astv asva asvs at-t ataa atab atac atai atas atat atbs atca atcc atco atcs atia atic atis atit atob atoc atoi atos atot atsb atsc atsi atst atta atti atto atts atvi atvs avab avao avas avat avcc avco avia avic avio avis avit aviv avos avot avst avva avvo ba-i baaa baas baat baba babb babi babo babs bac- baca bacc baci baco bacs bact baia baib baic baio bais bait baos basa basc basi baso bass bast bata batc bati bato bats batt bava bavi bbas bbbb bbbs bbci bcaa bcas bcat bcbc bcbs bcca bccc bcci bccs bcia bcis bcit bcos bcsa bcsc bcss bctc bcts bcvo biao bias biat biba bibb bibi bibo bibs bica bicc bici bico bics biis bio- bioc bioi bios biot bis- bisa bisc biso biss bist bita bitc bito bits bitt bivi boab boac boai boas boat boba bobb bobi bobo bobs boca boco bocs boi- boii bois boit boob booc boos boot bosa bosc bosi boso boss bost bota botb boti boto bots bott bova bovi bovo bsaa bsac bsas bsat bsci bscs bsic bsos bssc bsts bstv btaa btcc btcs btob btss bttb btvi bvsc c-bo caaa caab caac caas caat caba cabi cabo cabs cac- caca cacc caci caco caia caib caic caio cais cait caoi caos casa casb casc casi caso cass cast cat- cata catb catc cati cato cats catt catv cava cavi cavo cavs cbac cbat cbbc cbbs cbca cbcc cbcs cbct cbia cbit cbot cbsa cbsc cbsi cbta cbtc cbtv cbva cbvb ccaa ccab ccac ccai ccas ccat ccba ccbc ccca cccb cccc ccci cccs cccv ccic ccii ccis cciv ccob ccoc ccsa ccsi ccss ccst cctb cctc cctt cctv ccvi ccvo ccvs ciaa ciao