-ic a-a a-b a-c a-i aaa aab aac aai aam aao aar ab- aba abb abc abi abm abo abr ac- aca acb acc aci acm aco acr ai- aia aib aic aii aim aio air ama amb amc ami amm amo amr aoa aob aoc aoi aom aoo aor ar- ara arb arc ari arm aro arr baa bab bac bai bam bao bar bba bbb bbc bbi bbm bbo bbr bca bcb bcc bci bcm bco bcr bi- bia bib bic bii bim bio bir bma bmb bmc bmi bmm bmo bmr boa bob boc boi bom boo bor bra brb bri brm bro brr c-- caa cab cac cai cam cao car cba cbb cbc cbi cbm cbo cbr cca ccb ccc cci ccm cco ccr ci- cia cib cic cii cim cio cir cma cmb cmc cmi cmm cmo cmr co- coa cob coc coi com coo cor cra crb crc cri crm cro crr ia- iaa iab iac iai iam iao iar iba ibb ibc ibi ibm ibo ibr ica icb icc ici icm ico icr iia iib iic iii iim iio iir im- ima imb imc imi imm imo io- ioa iob ioc ioi iom ioo ior ir- ira irb irc iri irm iro irr m-o m-r maa mab mac mai mam mao mar mba mbb mbc mbi mbm mbo mbr mc- mca mcb mcc mci mcm mco mcr mi- mia mib mic mii mim mio mir mma mmb mmc mmi mmm mmo mmr moa mob moc moi mom moo mor mra mrb mrc mri mrm mro mrr o-i oaa oab oac oai oam oao oar ob- oba obb obc obi obm obo obr oc- oca ocb occ oci ocm oco ocr oia oib oic oii oim oio oir om- oma omb omc omi omm omo omr oo- ooa oob ooc ooi oom ooo oor or- ora orb orc ori orm oro orr ra- raa rab rac rai ram rao rar rba rbb rbc rbi rbm rbo rbr rca rcb rcc rci rcm rco rcr ria rib ric rii rim rio rir rma rmb rmc rmi rmm rmo rmr roa rob roc roi rom roo ror rra rrb rrc rri rrm rrr

a-ii aaaa aaab aaac aaai aaam aaar aaba aabb aabc aabi aabm aaca aacb aacc aaci aacm aaco aacr aaib aaic aaii aama aamb aamc aami aamo aamr aaoo aara aarc aari aarm aaro abaa abab abac abai abam abar abb- abba abbb abbi abbo abbr abca abcb abcc abci abcr abia abib abic abim abir abma abmb abmc aboa abob aboo abor abra abrc abri abro acaa acab acac acai acar acba acca accc acci accm acco aci- acia acic acim acir acma acmc acmi acoa acom acor acr- acra acrc acri acrm acro acrr aiai aiba aibo aica aicc aicr aiia aiib aiic aiir aimc aimi aimm aimo aioc aioi aira airi airo amaa amac amai amam amar amb- amba ambi ambo ambr amca amcc amco amia amib amic amii amir amm- amma ammi ammo amob amoc amoi amoo amor amra amrc amri amro aoba aoca aoma aora aorb arab arac arai aram arar arba arbi arc- arca arci arcm arco aria arib arii arim ario arma armc armi armm armo aroa arob aroi arom aroo aror arr- arra arrc arri arro arrr ba-i baaa baam baar baba babb babi babm babo babr bac- baca bacc baci baco baia baib baic baio bair bama bamb bamc bami bamm bar- bara barb barc bari barm baro barr bbbb bbci bbcm bbrc bcaa bcam bcar bcbc bcca bccc bcci bccm bcia bcma bcor bcra biao biar biba bibb bibi bibo bica bicc bici bico bima bimo bio- bioc bioi bira birb biri biro birr bmaa bmci bmic bmir bmmi bmoc boab boac boai boar boba bobb bobi bobo boca bocm boco boi- boii boim boma bomb bomi boob booc boom boor bor- bora bori borm boro borr brab brac brai bram brao brca brcb bria bric brim brio brmc broa brob broc brom broo bror brrm brrr c-bo caaa caab caac caam caba cabi cabo cac- caca cacc caci cacm caco cacr caia caib caic caim caio cair cama camb camc cami camm camo caoi caor cara carb carc cari carm caro carr cbac cbar cbbc cbca cbcc cbcm cbcr cbia cbir cbrm ccaa ccab ccac ccai ccam ccar ccba ccbc ccca cccb cccc ccci cccm ccic ccii ccim ccir ccma ccmb ccmc ccmm ccob ccoc ccom ccra ccrc ccri ciaa ciam ciao ciar ciba cibc cibi cibo cica cicc cici cico cicr ciia ciii cima cimb cimi cimm cimo cimr ciob cior cira cirb circ ciri cirm ciro cirr cmaa cmac cmba cmbc cmcc cmii cmir cmmb cmmc cmmi cmoc cmra cmri cmrr coai coba cobb cobi cobo coca coco coia coir com- coma comb comc comm como comr coob coom cor- cora corb corc cori corm coro corr crab crac crai cram crar crbc crca crcc crcr cria crib cric crim crmb crmo crob croc crom croo cror iaaa iaac iaai iaba iabm iaca iacc iacr iaia iaim iama iamb iami iara iarc ibac ibar ibbm ibca ibia ibim ibma ibra ibrc ibri ibro icaa icab icac icai icam icao icar icbc icbm icca iccb iccc icci icco iccr icma icmc icmi icmm icoc icom icor icra icrc icrm icrr iiac iica iiii iiio iimc iioi iioo iira iirc imac imai imam imao imar imba imbi imca imcb imci imco imir imma immi immo imra imrc imri imro imrr ioba iobi ioci ioii ioio ioma iomo iooi iooo iora iori irac irai iram irao irar irbm irca ircc iri- iria iric irio irma irmc irmo irob iroc irra irrc irri ma-i maaa maac maai maam maar maba mabi mabo mac- maca macb macc maci maco macr maia maib maii maim maio mair mama mamc mami mamo maoc maoi maor mar- mara marc mari marm maro marr mbac mbam mbba mbca mbci mbia mbim mbio mcaa mcac mcba mcbc mcbi mcca