-ic a-a a-b a-c a-i aaa aab aac aai aao aar aas aav ab- aba abb abc abi abo abr abs abv ac- aca acb acc aci aco acr acs acv ai- aia aib aic aii aio air ais aiv aoa aob aoc aoi aoo aor aos aov ar- ara arb arc ari aro arr ars arv as- asa asb asc asi aso asr ass asv av- ava avb avc avi avo avr avs baa bab bac bai bao bar bas bav bba bbb bbc bbi bbo bbr bbs bca bcb bcc bci bco bcr bcs bcv bi- bia bib bic bii bio bir bis biv boa bob boc boi boo bor bos bov bra brb bri bro brr brs brv bsa bsb bsc bsi bso bsr bss bsv bva bvb bvc bvi bvo bvr bvs bvv c-- caa cab cac cai cao car cas cav cba cbb cbc cbi cbo cbr cbs cbv cca ccb ccc cci cco ccr ccs ccv ci- cia cib cic cii cio cir cis civ co- coa cob coc coi coo cor cos cov cra crb crc cri cro crr crs crv csa csb csc csi cso csr css csv cva cvb cvc cvi cvo cvr cvs cvv i-v ia- iaa iab iac iai iao iar ias iav iba ibb ibc ibi ibo ibr ibs ibv ica icb icc ici ico icr ics icv iia iib iic iii iio iir iis io- ioa iob ioc ioi ioo ior ios iov ir- ira irb irc iri iro irr irs irv is- isa isb isc isi iso isr iss isv iva ivb ivc ivi ivo ivr ivs ivv o-i oaa oab oac oai oao oar oas oav ob- oba obb obc obi obo obr obs obv oc- oca ocb occ oci oco ocr ocs ocv oia oib oic oii oio oir ois oiv oo- ooa oob ooc ooi ooo oor oos oov or- ora orb orc ori oro orr ors orv os- osa osb osc osi oso osr oss osv ov- ova ovb ovc ovi ovo ovs ovv ra- raa rab rac rai rao rar ras rav rba rbb rbc rbi rbo rbr rbs rca rcb rcc rci rco rcr rcs rcv ria rib ric rii rio rir ris riv roa rob roc roi roo ror ros rov rra rrb rrc rri rrr rrs rsa rsb rsc rsi rso rsr rss rsv rva rvb rvc rvi rvo rvr rvs rvv saa sab sac sai sao sar sas sav sba sbb sbc sbi sbo sbr sbs sbv sca scb scc sci sco scr scs scv sia sib sic sii sio sir sis siv soa sob soc soi soo sor sos sov sr- sra srb src sri sro srr srs srv ss- ssa ssb ssc ssi sso ssr sss ssv sva svb svc svi svo svr svs svv v-a vaa vab vac vai vao var vas vav vba vbc vbi vbo vbr vbs vbv vca vcc vci vco vcr vcs vi- via vib vic vii vio vir vis viv voa vob voc voi voo vor vos vov vra vrb vrc vri vrr vrs vsa vsb vsc vsi vso vsr vss vsv vva vvb vvc vvi vvo vvr vvs vvv

-vac a-ii a-iv aaaa aaab aaac aaai aaar aaas aaav aaba aabb aabc aabi aaca aacb aacc aaci aaco aacr aacs aacv aaib aaic aaii aais aaoo aara aarc aari aaro aars aasa aasc aasi aass aava abaa abab abac abai abar abas abb- abba abbb abbi abbo abbr abbs abca abcb abcc abci abcr abcs abia abib abic abir abis aboa abob aboo abor abos abov abra abrc abri abro abrs abs- absa absi abss abva acaa acab acac acai acar acas acba acca accc acci acco accs aci- acia acic acir acis acoa acor acos acr- acra acrc acri acro acrr acrs acrv acsa acsc acsi acss acvs acvv aiai aias aiba aibo aica aicc aicr aics aiia aiib aiic aiir aioc aioi aira airi airo airs aisa aisb aisi aiso aisr aiva aoba aoca aocs aora aorb aors aoss arab arac arai arar aras arba arbi arbs arc- arca arci arco arcs aria arib arii ario aris aroa arob aroi aroo aror aros arr- arra arrc arri arro arrr arrs ars- arsa arsc arsi arso arva arvi arvo asaa asab asac asai asao asar asas asba asbo asc- asca ascb ascc asci asco ascr asia asic asii asio asir asis asob asoc asoi asor asos asra asrc asro asrs assa assc assi asso assr asss asva asvs avab avao avar avas avcc avco avia avic avio avis aviv avor avos avra avri avro avva avvo ba-i baaa baar baas baba babb babi babo babr babs bac- baca bacc baci baco bacs baia baib baic baio bair bais baos bar- bara barb barc bari baro barr bars basa basc basi baso bass bava bavi bbas bbbb bbbs bbci bbrc bcaa bcar bcas bcbc bcbs bcca bccc bcci bccs bcia bcis bcor bcos bcra bcrs bcsa bcsc bcss bcvo biao biar bias biba bibb bibi bibo bibs bica bicc bici bico bics biis bio- bioc bioi bios bira birb biri biro birr birs bis- bisa bisc biso biss bivi boab boac boai boar boas boba bobb bobi bobo bobs boca boco bocs boi- boii bois boob booc boor boos bor- bora bori boro borr bors bosa bosc bosi boso boss bova bovi bovo brab brac brai brao bras brav brca brcb bria bric brio bris broa brob broc broo bror bros brrr brrs brsb brsr brvi bsaa bsac bsas bsci bscs bsic bsos bsra bssc bvsc c-bo caaa caab caac caas caba cabi cabo cabs cac- caca cacc caci caco cacr caia caib caic caio cair cais caoi caor caos cara carb carc cari caro carr cars casa casb casc casi caso casr cass cava cavi cavo cavs cbac cbar cbbc cbbs cbca cbcc cbcr cbcs cbia cbir cbsa cbsc cbsi cbva cbvb cbvr ccaa ccab ccac ccai ccar ccas ccba ccbc ccca cccb cccc ccci cccs cccv