a-a a-b a-c a-t aaa aab aac aam aan aao aar aat ab- aba abb abc abm abn abo abr abt ac- aca acb acc acm acn aco acr act ama amb amc amm amn amo amr amt an- ana anb anc anm ann ano anr ant aoa aob aoc aom aon aoo aor aot ar- ara arb arc arm arn aro arr art at- ata atb atc atm atn ato atr att baa bab bac bam ban bao bar bat bba bbb bbc bbm bbn bbo bbr bbt bca bcb bcc bcm bcn bco bcr bct bma bmb bmc bmm bmn bmo bmr bmt bna bnb bnc bnn bno bnr bnt boa bob boc bom bon boo bor bot bra brb brm brn bro brr brt bta btb btc btm btn bto btr btt c-- caa cab cac cam can cao car cat cba cbb cbc cbm cbn cbo cbr cbt cca ccb ccc ccm ccn cco ccr cct cma cmb cmc cmm cmn cmo cmr cmt cn- cna cnb cnc cnm cnn cno cnr cnt co- coa cob coc com con coo cor cot cra crb crc crm crn cro crr crt cta ctb ctc ctm ctn cto ctr ctt m-o m-r maa mab mac mam man mao mar mat mba mbb mbc mbm mbo mbr mbt mc- mca mcb mcc mcm mcn mco mcr mct mma mmb mmc mmm mmn mmo mmr mmt mna mnb mnc mnm mnn mno mnr mnt moa mob moc mom mon moo mor mot mra mrb mrc mrm mrn mro mrr mrt mta mtb mtc mtm mtn mto mtr mtt naa nab nac nam nan nao nar nat nba nbb nbc nbm nbn nbo nbr nbt nca ncb ncc ncm ncn nco ncr nct nma nmb nmc nmm nmn nmo nmr nmt nna nnb nnc nnm nnn nno nnt no- noa nob noc nom non noo nor not nra nrb nrc nrm nrn nro nrr nrt nta ntb ntc ntm ntn nto ntr ntt oaa oab oac oam oan oao oar oat ob- oba obb obc obm obn obo obr obt oc- oca ocb occ ocm ocn oco ocr oct om- oma omb omc omm omn omo omr omt on- ona onb onc onn ono onr ont oo- ooa oob ooc oom oon ooo oor oot or- ora orb orc orm orn oro orr ort ot- ota otb otc otm otn oto otr ott ra- raa rab rac ram ran rao rar rat rba rbb rbc rbm rbn rbo rbr rbt rca rcb rcc rcm rcn rco rcr rct rma rmb rmc rmm rmn rmo rmr rmt rna rnb rnc rnm rnn rno rnr rnt roa rob roc rom ron roo ror rot rra rrb rrc rrm rrn rrr rrt rta rtb rtc rtm rtn rto rtr rtt taa tab tac tam tan tao tar tat tba tbb tbc tbm tbn tbo tbr tbt tca tcb tcc tcm tcn tco tcr tct tma tmb tmc tmm tmn tmo tmr tmt tna tnb tnc tnm tnn tno tnr tnt to- toa tob toc tom ton too tor tot tra trb trc trm trn tro trr trt tta ttb ttc ttm ttn tto ttr ttt

-ana aaaa aaab aaac aaam aaan aaar aaba aabb aabc aabm aabt aaca aacb aacc aacm aacn aaco aacr aact aama aamb aamc aamn aamo aamr aana aaon aaoo aara aarc aarm aaro aart aata aatc aatt abaa abab abac abam aban abar abat abb- abba abbb abbo abbr abbt abca abcb abcc abcn abcr abct abma abmb abmc abmt aboa abob abon aboo abor abot abra abrc abro abta ac-t acaa acab acac acan acar acat acba acca accc accm acco acct acma acmc acoa acom acon acor acot acr- acra acrc acrm acro acrr acta actc acto actt amaa amac amam aman amar amat amb- amba ambn ambo ambr amca amcc amco amm- amma ammo amno amnt amob amoc amon amoo amor amot amra amrc amro amta amtc amto ana- anaa anab anac anam anan anao anar anat anba anbb anbo anca ancc anco anct anma anna annb anno annt ano- anoa anom anon anor anrc ant- anta antm anto antr antt aoba aoca aoma aonb aono aont aora aorb aorn aort aotc arab arac aram aran arar arat arba arc- arca arcm arco arct arma armc armm armo armt arna arno arnt aroa arob arom aron aroo aror arr- arra arrc arro arrr arrt arta artc arto artr at-t ataa atab atac atan atar atat atca atcc atco atcr atm- atma atmo atna atno atob atoc atom aton ator atot atra atrc atrm atrn atro atta attn atto attr baaa baam baan baar baat baba babb babm babo babr bac- baca bacc bacn baco bact bama bamb bamc bamm bamn bana banc bann bano banr bant baon bar- bara barb barc barm barn baro barr bart bata batc batn bato batt bbbb bbcm bbrc bcaa bcam bcar bcat bcbc bcca bccc bccm bcma bcor bcra bctc bmaa bman bmoc bmtc bnoc bnor bnrr bnta bntm boab boac boan boar boat boba bobb bobo boca bocm boco boma bomb bomt bona bonc bonn bono bont boob booc boom boon boor boot bor- bora borm born boro borr bort bota botb botn boto bott brab brac bram bran brao brat brca brcb brmc brna brno broa brob broc brom bron broo bror brot brrm brrr brtc btaa btan btcc btob btor btrc btrt bttb c-bo caaa caab caac caam caan caat caba cabo cac- caca cacc cacm caco cacr cama camb camc camm camo camt cana canc cann cano cant caor cara carb carc carm carn caro carr cart cat- cata catb catc catm cato catt cbac cbar cbat cbbc cbca cbcc cbcm cbcn cbcr cbct cbna cbot cbrm cbrn cbrt cbta cbtc ccaa ccab ccac ccam ccar ccat ccba ccbc ccbn ccca cccb cccc cccm ccma ccmb ccmc ccmm ccna ccnb ccnc ccnm ccnr ccob ccoc ccom ccra ccrc ccrt cctb cctc cctt cmaa cmac cmba cmbc