a-a a-b a-c aaa aab aac aan aao aar aaw ab- aba abb abc abn abo abr abw ac- aca acb acc acn aco acr acw an- ana anb anc ann ano anr aoa aob aoc aon aoo aor aow ar- ara arb arc arn aro arr arw aw- awa awb awc awn awo awr aww baa bab bac ban bao bar baw bba bbb bbc bbn bbo bbr bbw bca bcb bcc bcn bco bcr bna bnb bnc bnn bno bnr bnw boa bob boc bon boo bor bow bra brb brn bro brr brw bwa bwb bwc bwo bwr c-- caa cab cac can cao car caw cba cbb cbc cbn cbo cbr cbw cca ccb ccc ccn cco ccr ccw cn- cna cnb cnc cnn cno cnr cnw co- coa cob coc con coo cor cow cra crb crc crn cro crr crw cw- cwa cwb cwc cwn cwo cwr naa nab nac nan nao nar naw nba nbb nbc nbn nbo nbr nbw nca ncb ncc ncn nco ncr ncw nna nnb nnc nnn nno nnw no- noa nob noc non noo nor now nra nrb nrc nrn nro nrr nrw nwa nwb nwc nwn nwo nwr oaa oab oac oan oao oar oaw ob- oba obb obc obn obo obr obw oc- oca ocb occ ocn oco ocr ocw on- ona onb onc onn ono onr oo- ooa oob ooc oon ooo oor oow or- ora orb orc orn oro orr owa owb owc own owo oww ra- raa rab rac ran rao rar raw rba rbb rbc rbn rbo rbr rbw rca rcb rcc rcn rco rcr rcw rna rnb rnc rnn rno rnr rnw roa rob roc ron roo ror row rra rrb rrc rrn rrr rwa rwb rwc rwr waa wab wac wan wao war waw wba wbb wbc wbn wbo wbr wbw wca wcb wcc wcn wco wcr wcw wn- wna wnc wnn wno wnw woa wob woc won woo wor wow wr- wra wrc wrn wro wrr wrw wwa wwc wwn wwo www

-ana a-wa aaaa aaab aaac aaan aaar aaba aabb aabc aabw aaca aacb aacc aacn aaco aacr aana aaon aaoo aaow aara aarc aaro aaww abaa abab abac aban abar abaw abb- abba abbb abbo abbr abca abcb abcc abcn abcr abcw aboa abob abon aboo abor abow abra abrc abro abwa abwr acaa acab acac acan acar acba acca accc acco acoa acon acor acow acr- acra acrc acro acrr acwa acww ana- anaa anab anac anan anao anar anba anbb anbo anca ancc anco anna annb anno ano- anoa anon anor anrc anwr aoba aoca aonb aono aora aorb aorn arab arac aran arar araw arba arc- arca arco arna arno aroa arob aron aroo aror arow arr- arra arrc arro arrr arwa awac awan awar awon awoo awow awro awwa baaa baan baar baba babb babo babr bac- baca bacc bacn baco bana banc bann bano banr baon bar- bara barb barc barn baro barr baw- bawn bbbb bbrc bbwc bbwr bcaa bcar bcbc bcca bccc bcor bcra bnoc bnor bnrr boab boac boan boar boba bobb bobo bobw boca boco bona bonc bonn bono boob booc boon boor boow bor- bora born boro borr borw bowa bown bowr brab brac bran brao braw brca brcb brcw brna brno broa brob broc bron broo bror brow brrr bwaa bwan bwoc c-bo caaa caab caac caan caba cabo cac- caca cacc caco cacr cacw cana canc cann cano caor cara carb carc carn caro carr cbac cbar cbbc cbca cbcc cbcn cbcr cbna cbrn cbwa ccaa ccab ccac ccar ccba ccbc ccbn ccca cccb cccc ccna ccnb ccnc ccnr ccob ccoc ccow ccra ccrc cnaa cnac cnbc cnco cnna cnrc cnrr coan coba cobb cobo coca coco con- cona conc conn cono coob coon cor- cora corb corc corn coro corr crab crac cran crar craw crbc crca crcc crcr crna crob croc cron croo cror crow cwac cwrw naaa naab naac naan naar naba nabc nabo naca nacc naco nan- nana nanb nann nano naoc naor naow nara narc narn naro narr narw nawa nawo nbaa nbar nbbc nbbo nbca nbcc nbco ncaa ncac ncar ncba ncbc ncca nccc nccn nccr ncna ncnc ncoa ncoc ncor ncow ncra ncrc ncwc nnnn noaa noac noba nobc nobo noco non- nona nonn nono nonw noo- noob noon nooo noor nor- nora norb norc norn noro norr norw nowa nown nrab nrca nrna nroc nron nrrc nwac nwbn nwbw oara oban obba obbo obon obor obra obro ocab ocac ocan ocbc occa occc occn ocna ocon ocra ocro ocrr onab onan onar onc- onca onco onna onno onon onor onra ooaa ooba oocr oona oooo oora orab orac oran orao orar orba orbb orbo orca orco orna ornc orno oro- oron oror orra orro orwa orwo owar owna owow owwa raab raan raba rabb rabo rac- raca racc raco rana ranc rann rano raob raoc rara rarb raro rawa rawn rawr raww rbbb rbbr rcac rcbc rcbo rccb rccc rcnr rcon rnaw rnbr rnco roab roan roar rob- roba robb robo roca rocc roco rona ronc rono ronw roob roon roor rora rorc roro rowa rowb rown rowr roww rrna rrrr waaa waac waao waar waaw waba wabb wabc wabn wabo wabr wabw waca wacb wacc waco wan- wana wanb wanc wann wano wanr waob waoc waon waoo waor waow war- wara warb warc warn waro warr warw wawa wawb wawc wawo wbaa wbab wbac wban wbar wbbb wbbn wbbo wbbr wbbw wbca wbcb wbcn wbco wbcr wbcw wbna wbnb wbnc wbnr wbnw wbob wboc wbon wbor wbow wbrb wbrc wbrn wbrr wbrw wbwb wbwc wbwn wbwo wcab wcao wcar wcba wcbc wcbr wcbw wcca wccb wccc wccn wcco wccr wccw wcna wcnc wcnn wcno wcnr wcnw wcoa wcob wcoc wcon wcoo wcor wcra wcrb wcrc wcrn wcro wcrr wcrw wcwa wcwb wcwc wcwn wnaa wnab wnac wnaw wnba wnbb wnbc wnbn wnbr wnbw wnca wncb wncc