a-a a-b a-c a-z aaa aab aac aad aah aao aar aaz ab- aba abb abc abd abh abo abr abz ac- aca acb acc acd ach aco acr acz ad- ada adb adc add adh ado adr adz aha ahb ahc ahd ahh aho ahr ahz aoa aob aoc aod aoh aoo aor ar- ara arb arc ard arh aro arr arz az- aza azb azd azo azz baa bab bac bad bah bao bar baz bba bbb bbc bbd bbh bbo bbr bca bcb bcc bcd bch bco bcr bcz bda bdb bdc bdd bdh bdo bdr bdz bha bhb bhc bhd bhh bho bhr boa bob boc bod boh boo bor boz bra brb brd brh bro brr brz bza bzd bzh bzo bzr bzz c-- caa cab cac cad cah cao car caz cba cbb cbc cbd cbh cbo cbr cbz cca ccb ccc ccd cch cco ccr ccz cda cdb cdc cdd cdh cdo cdr cdz ch- cha chb chc chd chh cho chr chz co- coa cob coc cod coh coo cor coz cra crb crc crd crh cro crr crz cz- czc czd czo daa dab dac dad dah dao dar daz dba dbb dbc dbd dbh dbo dbr dbz dca dcb dcc dcd dco dcr dda ddb ddc ddd ddh ddo ddr ddz dh- dha dhb dhc dhd dhh dho dhr doa dob doc dod doh doo dor doz dra drb drc drd dro drr drz dza dzb dzd dzo dzr haa hab hac had hah hao har haz hba hbb hbc hbd hbh hbo hbr hbz hca hcb hcc hcd hch hco hcr hda hdb hdc hdd hdh hdo hdr hdz hha hhb hhc hhd hhh hho hhr hhz hoa hob hoc hod hoh hoo hor hr- hra hrb hrc hrd hrh hro hrr hrz hzd hzo oaa oab oac oad oah oao oar ob- oba obb obc obd obh obo obr oc- oca ocb occ ocd och oco ocr ocz oda odb odc odd odh odo odr oha ohc ohd ohh oho ohr oo- ooa oob ooc ood ooh ooo oor or- ora orb orc ord orh oro orr orz oza ozo ozz ra- raa rab rac rad rah rao rar raz rba rbb rbc rbd rbh rbo rbr rca rcb rcc rcd rch rco rcr rda rdb rdc rdd rdh rdo rdr rh- rha rhb rhc rhd rhh rho rhr roa rob roc rod roh roo ror roz rra rrb rrc rrd rrh rrr rza rzb rzo zaa zab zac zad zah zao zar zaz zbb zbc zbr zco zha zhc zho zhr zo- zoa zob zoc zod zoo zor zrh zro zzr zzz

a-do a-ha aaaa aaab aaac aaad aaah aaar aaba aabb aabc aabd aabh aaca aacb aacc aacd aach aaco aacr aada aadc aaha aahz aaoo aara aarc aard aaro abaa abab abac abad abar abb- abba abbb abbo abbr abca abcb abcc abcd abch abcr abda abdo abha abho abhr aboa abob abod aboh aboo abor abra abrc abro abza acaa acab acac acad acar acba acca accc accd acch acco acda acdb acdc acha achh acho achr acoa acod acoh acor acr- acra acrc acro acrr adaa adab adac adad adah adao adar adba adbc adcc adda addc addd addo addr adha adhd adho adob adoc adod adoo ador adra adro ahab ahac ahad ahah ahar ahaz ahha ahoa ahod ahor ahra ahrc ahrr aoah aoba aoca aodh aora aorb arab arac arad arah arar arba arbh arc- arca arch arco arda ardc ardo arh- aroa arob arod aroo aror aroz arr- arra arrc arrh arro arrr arza arzo aza- azab azad azar azaz azca azo- azoo azor azra azza azzo baaa baad baah baar baaz baba babb babo babr bac- baca bacc bach baco bacz bada badb badd badh bado badr baha baho bahr baoh bar- bara barb barc bard barh baro barr barz baza bazo bbad bbbb bbch bbdd bbdo bbrc bcaa bcar bcbc bcca bccc bcda bchd bcor bcoz bcra bd-r bdbc bddc bddh bdzh bhao bhar bhca bhcc bhor bhra boab boac boad boar boaz boba bobb bobo boca boch boco boda bodb bodh bodo boha bohd boho bohr boob booc bood booh boor booz bor- bora bord borh boro borr borz boza bozo brab brac brad brah brao braz brca brcb brda brdo broa brob broc brod broh broo bror broz brrr brza bzzz c-bo c-cd caaa caab caac caah caba cabo cac- caca cacc cach caco cacr cada cadc cadd cado cadr caha caod caor caoz cara carb carc card caro carr caza cazh cazo cbac cbar cbbc cbca cbcc cbcr cbdb cbdc cbdo cbha cbrd cbrh ccaa ccab ccac ccad ccar ccba ccbc ccca cccb cccc ccdc ccdh ccdr ccha cchr ccob ccoc ccod ccra ccrc cd-r cdaa cdac cdad cdba cdda cddb cddr cdza chaa chab chac chad chah chao char chaz chca chch chha choc chod choh choo chor chra chrb chrc chrd chro chrr coad coba cobb cobh cobo coca coch coco coda codd coha coho coob cood cooh cor- cora corb corc cord coro corr cozd cozz crab crac crar crbc crca crcc crcr crcz crda crdc crob croc crod croh croo cror croz czar d-bo daab daad daar daba dabb dabo daca dada dado daha dara darb darc dard daro darr darz dazz dbar dbcc dcbc dcca dccb dccc dcdb dcra dddd ddoc ddrc dhaa dhad dhao dhar dhod dhor doab doar doba dobb doca doch doco dod- doda dodd dodo doha dohc dohr doob dood door dora dorc dord doro dorr doza dozo draa drab drac drad drar drba drbc drca drda drob drod droh droz drra dzar dzbb dzca dzh- dzhh dzor dzrh dzrr haab haad haar haba habo haco hada hadh haha haho haor hara harc hard harh haro harr harz haza hbar hbcd hboc hcbc hcca hccb hccc hcch hcdr hcrd hdca hdda hdoc hdod hdra hhaa hhhh hoac hoad hoar hoba hobo hoca hoch hocr hoda hodh