a-a a-b a-c aaa aab aac aad aao aar aaw ab- aba abb abc abd abo abr abw ac- aca acb acc acd aco acr acw ad- ada adb adc add ado adr adw aoa aob aoc aod aoo aor aow ar- ara arb arc ard aro arr arw aw- awa awb awc awd awo awr aww baa bab bac bad bao bar baw bba bbb bbc bbd bbo bbr bbw bca bcb bcc bcd bco bcr bda bdb bdc bdd bdo bdr bdw boa bob boc bod boo bor bow bra brb brd bro brr brw bwa bwb bwc bwd bwo bwr c-- caa cab cac cad cao car caw cba cbb cbc cbd cbo cbr cbw cca ccb ccc ccd cco ccr ccw cda cdb cdc cdd cdo cdr cdw co- coa cob coc cod coo cor cow cra crb crc crd cro crr crw cw- cwa cwb cwc cwd cwo cwr daa dab dac dad dao dar daw dba dbb dbc dbd dbo dbr dca dcb dcc dcd dco dcr dcw dda ddb ddc ddd ddo ddr ddw doa dob doc dod doo dor dow dra drb drc drd dro drr drw dwa dwb dwc dwo dwr dww oaa oab oac oad oao oar oaw ob- oba obb obc obd obo obr obw oc- oca ocb occ ocd oco ocr ocw oda odb odc odd odo odr oo- ooa oob ooc ood ooo oor oow or- ora orb orc ord oro orr owa owb owc owd owo oww ra- raa rab rac rad rao rar raw rba rbb rbc rbd rbo rbr rbw rca rcb rcc rcd rco rcr rcw rda rdb rdc rdd rdo rdr roa rob roc rod roo ror row rra rrb rrc rrd rrr rwa rwb rwc rwd rwr waa wab wac wad wao war waw wba wbb wbc wbd wbo wbr wbw wca wcb wcc wcd wco wcr wcw wda wdb wdc wdr woa wob woc wod woo wor wow wr- wra wrc wrd wro wrr wrw wwa wwc wwd wwo www

a-do a-wa aaaa aaab aaac aaad aaar aaba aabb aabc aabd aabw aaca aacb aacc aacd aaco aacr aada aadc aaoo aaow aara aarc aard aaro aaww abaa abab abac abad abar abaw abb- abba abbb abbo abbr abca abcb abcc abcd abcr abcw abda abdo aboa abob abod aboo abor abow abra abrc abro abwa abwr acaa acab acac acad acar acba acca accc accd acco acda acdb acdc acoa acod acor acow acr- acra acrc acro acrr acwa acww adaa adab adac adad adao adar adaw adba adbc adcc adda addc addd addo addr adob adoc adod adoo ador adra adro adwa aoba aoca aora aorb aowd arab arac arad arar araw arba arc- arca arco arda ardc ardo aroa arob arod aroo aror arow arr- arra arrc arro arrr arwa awac awad awar awoo awow awro awwa baaa baad baar baba babb babo babr bac- baca bacc baco bada badb badd bado badr bar- bara barb barc bard baro barr baw- bawd bbad bbbb bbdd bbdo bbrc bbwc bbwr bcaa bcar bcbc bcca bccc bcda bcor bcra bd-r bdbc bddc boab boac boad boar boba bobb bobo bobw boca boco boda bodb bodo boob booc bood boor boow bor- bora bord boro borr borw bowa bowd bowr brab brac brad brao braw brca brcb brcw brda brdo broa brob broc brod broo bror brow brrr bwaa bwoc c-bo c-cd caaa caab caac caba cabo cac- caca cacc caco cacr cacw cada cadc cadd cado cadr cadw caod caor cara carb carc card caro carr cbac cbar cbbc cbca cbcc cbcr cbdb cbdc cbdo cbrd cbwa cbwd ccaa ccab ccac ccad ccar ccba ccbc ccca cccb cccc ccdc ccdr ccob ccoc ccod ccow ccra ccrc cd-r cdaa cdac cdad cdba cdda cddb cddr coad coba cobb cobo coca coco coda codd coob cood cor- cora corb corc cord coro corr cowd crab crac crar craw crbc crca crcc crcr crda crdc crob croc crod croo cror crow crwd cwac cwrw d-bo daab daad daar daba dabb dabo daca dada dado dara darb darc dard daro darr dawa dawd dawo dawr dbar dbcc dcbc dcca dccb dccc dcdb dcra dddd ddoc ddrc doab doar doba dobb doca doco dod- doda dodd dodo doob dood door dora dorc dord doro dorr dowa dowb dowd dowr draa drab drac drad drar draw drba drbc drca drda drob drod drow drra dwac dwad dwar dwbr dwcw dwdd dwor dwrd dwrw dwww oara obad obba obbo obor obra obro ocab ocac ocad ocbc occa occc ocra ocro ocrr odac odbo odda oddd odoo odor odra ooaa ooba oocr ooda oooo oora oord orab orac orad orao orar orba orbb orbo orca orco orda ordo oro- oror orra orro orwa orwo owar owda owow owwa raab raad raba rabb rabo rac- raca racc raco rada radc radd rado radr raob raoc rara rarb raro rawa rawr raww rbbb rbbr rcac rcbc rcbo rccb rccc rcdc rcrd rdac rdoc roab road roar rob- roba robb robo roca rocc roco roda rodd rodo rodw roob rood roor rora rorc roro rowa rowb rowd rowr roww rrad rrrr waaa waac waad waao waar waaw waba wabb wabc wabd wabo wabr wabw waca wacb wacc wacd waco wada wadb wadc wadd wado wadr waob waoc waoo waor waow war- wara warb warc ward waro warr warw wawa wawb wawc wawd wawo wbaa wbab wbac wbad wbar wbbb wbbd wbbo wbbr wbbw wbca wbcb wbco wbcr wbcw wbdc wbdr wbob wboc wbor wbow wbrb wbrc wbrd wbrr wbrw wbwb wbwc wbwo wcab wcad wcao wcar wcba wcbc wcbd wcbr wcbw wcca wccb wccc wccd wcco wccr wccw wcda wcdb wcdc wcdd wcdo wcdw wcoa wcob wcoc wcoo wcor wcra wcrb wcrc wcro wcrr wcrw wcwa wcwb wcwc wdab wdac wdad wdao wdba wdbc wdbd wdbo wdbr wdca wdcb wdcc wdcd wdco wdcr wdcw wddc wddd wddo wddw wdoc wdod wdor wdow wdrb wdrc wdrr wdwd wdwr woaa woab woad