a-a a-b a-c aaa aab aac aaj aan aao aar aav ab- aba abb abc abj abn abo abr abv ac- aca acb acc acj acn aco acr acv aja ajb ajc ajj ajn ajo ajr an- ana anb anc anj ann ano anr anv aoa aob aoc aoj aon aoo aor aov ar- ara arb arc arj arn aro arr arv av- ava avb avc avn avo avr baa bab bac baj ban bao bar bav bba bbb bbc bbn bbo bbr bca bcb bcc bcj bcn bco bcr bcv bja bjc bjj bjn bjr bna bnb bnc bnj bnn bno bnr bnv boa bob boc boj bon boo bor bov bra brb brj brn bro brr brv bva bvb bvc bvn bvo bvr bvv c-- c-j caa cab cac caj can cao car cav cba cbb cbc cbj cbn cbo cbr cbv cca ccb ccc ccj ccn cco ccr ccv cja cjb cjc cjr cn- cna cnb cnc cnj cnn cno cnr cnv co- coa cob coc coj con coo cor cov cra crb crc crj crn cro crr crv cva cvb cvc cvn cvo cvr cvv jaa jab jac jaj jan jao jar jav jba jbc jbj jbo jbr jca jcb jcc jco jcr jja jjb jjc jjj jjr jna jnc jnj jnn jno jnr joa job joc joj jon joo jor jra jrb jrc jrn jro jrr jvb jvc jvn naa nab nac naj nan nao nar nav nba nbb nbc nbn nbo nbr nbv nca ncb ncc ncn nco ncr ncv nja njc njn nna nnb nnc nnn nno nnv no- noa nob noc noj non noo nor nov nra nrb nrc nrj nrn nro nrr nrv nva nvb nvc nvn nvv oaa oab oac oaj oan oao oar oav ob- oba obb obc obj obn obo obr obv oc- oca ocb occ ocj ocn oco ocr ocv oja ojb ojc ojo on- ona onb onc onj onn ono onr oo- ooa oob ooc oon ooo oor oov or- ora orb orc orn oro orr orv ov- ova ovb ovc ovo ovv ra- raa rab rac raj ran rao rar rav rba rbb rbc rbn rbo rbr rca rcb rcc rcj rcn rco rcr rcv rja rjc rjr rna rnb rnc rnn rno rnr rnv roa rob roc roj ron roo ror rov rra rrb rrc rrn rrr rva rvb rvc rvn rvo rvr rvv v-a vaa vab vac vaj van vao var vav vba vbc vbo vbr vbv vca vcc vcn vco vcr vja vn- vna vnj vno vnr vnv voa vob voc von voo vor vov vra vrb vrc vrn vrr vva vvb vvc vvo vvr vvv

-ana -vac aaaa aaab aaac aaan aaar aaav aaba aabb aabc aaca aacb aacc aacn aaco aacr aacv aana aaon aaoo aara aarc aaro aava abaa abab abac abaj aban abar abb- abba abbb abbo abbr abca abcb abcc abcn abcr aboa abob abon aboo abor abov abra abrc abro abva acaa acab acac acan acar acba acca accc acco acoa acon acor acr- acra acrc acro acrr acrv acvv ajab ajac ajan ajao ajar ajba ajna ajob ajon ajoo ana- anaa anab anac anan anao anar anba anbb anbo anca ancc anco anja anjo anna annb anno ano- anoa anon anor anrc aoba aoca aonb aono aora aorb aorn arab arac aran arar arba arc- arca arco arja arjo arna arno aroa arob aron aroo aror arr- arra arrc arro arrr arva arvn arvo avab avaj avan avao avar avcc avco avon avor avra avro avva avvo baaa baan baar baba babb babo babr bac- baca bacc bacn baco baja bana banc banj bann bano banr baon bar- bara barb barc barn baro barr bava bbbb bbrc bcaa bcar bcbc bcca bccc bcor bcra bcvo bjcc bjoa bnoc bnor bnrr boab boac boan boar boba bobb bobo boca boco bojo bona bonc bonn bono boob booc boon boor bor- bora borj born boro borr bova bovo brab brac braj bran brao brav brca brcb brna brnj brno broa brob broc bron broo bror brrr c-bo caaa caab caac caan caba cabo cac- caca cacc caco cacr caja cana canc cann cano caor cara carb carc carj carn caro carr cava cavo cbac cbar cbbc cbca cbcc cbcn cbcr cbna cbrj cbrn cbva cbvb cbvn cbvr ccaa ccab ccac ccar ccba ccbc ccbn ccca cccb cccc cccv ccjo ccna ccnb ccnc ccnr ccob ccoc ccra ccrc ccvo cjan cjar cjbc cjca cjcb cjcj cjnb cjnr cjob cjon cjor cjrb cjrc cjrj cjrn cjvb cnaa cnac cnbc cnco cnna cnnj cnrc cnrr coan coba cobb cobo coca coco cojo con- cona conc conj conn cono conv coob coon cor- cora corb corc corn coro corr cova covo crab crac craj cran crar crbc crca crcc crcr crna crob croc cron croo cror cvac cvar cvca cvcc cvra cvrr j-ro jaan jaar jaba jabo jabr jaca jacc jaco jaja jana jann jano jaon jara jarc jaro jarr java jbaa jbar jbob jcbc jccc jcrc jjar jjcc jnco joab joan joao joar joba jobo joca joco jojo jona jonn jono joon joor jora jorn joro jova jovo jrbr naaa naab naac naan naar naba nabc nabo naca nacc naco naja najr nan- nana nanb nann nano naoc naor nara narc narn naro narr nava navo navr navv nbaa nbar nbbc nbbj nbbo nbca nbcc nbco ncaa ncac ncar ncba ncbc ncca nccc nccn nccr ncna ncnc ncoa ncoc ncor ncra ncrc njaa njac njvc nnnn noaa noac noba nobc nobo noco noja non- nona nonn nono noo- noob nooj noon nooo noor noov nor- nora norb norc norn noro norr norv nov- nova novo nrab nrca nrna nroc nron nrrc nvcc oara oban obba obbo obja obon obor obra obro ocab ocac ocan ocbc occa occc occn ocna ocon ocra ocro ocrr ojan onab onan onar onc- onca onco onna onno onon onor onra ooaa ooba oocr oona oooo oora orab orac oran orao orar orav orba orbb orbo