-er a-a a-b a-c a-z aaa aab aac aae aao aar aau aav aaz ab- aba abb abc abe abo abr abu abv abz ac- aca acb acc ace aco acr acu acv acz aea aeb aec aee aeo aer aeu aev aez aoa aob aoc aoe aoo aor aou aov ar- ara arb arc are aro arr aru arv arz au- aua aub auc aue auo aur auv auz av- ava avb avc ave avo avr avu avz az- aza azb aze azo azu azz b-u baa bab bac bae bao bar bau bav baz bba bbb bbc bbe bbo bbr bbu bca bcb bcc bce bco bcr bcu bcv bcz be- bea beb bec bee beo ber beu bev bez boa bob boc boe boo bor bou bov boz bra brb bre bro brr bru brv brz bua bub buc bue buo bur buu buz bva bvb bvc bve bvo bvr bvu bvv bza bze bzo bzr bzu bzz c-- caa cab cac cae cao car cau cav caz cba cbb cbc cbe cbo cbr cbu cbv cbz cca ccb ccc cce cco ccr ccu ccv ccz ce- cea ceb cec cee ceo cer ceu cev cez co- coa cob coc coe coo cor cou cov coz cra crb crc cre cro crr cru crv crz cua cub cuc cue cuo cur cuu cuv cuz cva cvb cvc cve cvo cvr cvu cvv cvz cz- czc cze czo eaa eab eac eae eao ear eau eav eaz eba ebb ebc ebe ebo ebr ebu ebv ec- eca ecb ecc ece eco ecr ecu ecv eea eeb eec eee eeo eer eev eo- eoa eob eoc eoe eoo eor eou era erb erc ere ero err eru erv erz eu- eua eub euc eue eur euv eva evb evc eve evo evr evv eze ezo ezr ezz oaa oab oac oae oao oar oau oav ob- oba obb obc obe obo obr obu obv oc- oca ocb occ oco ocr ocu ocv ocz oea oeb oec oee oeo oer oo- ooa oob ooc ooo oor oov or- ora orb orc ore oro orr oru orv orz ou- oua ouc oue ouo our ov- ova ovb ovc ove ovo ovv oza oze ozo ozu ozz ra- raa rab rac rae rao rar rau rav raz rba rbb rbc rbe rbo rbr rbu rca rcb rcc rce rco rcr rcu rcv re- rea reb rec ree reo rer reu rev rez roa rob roc roe roo ror rou rov roz rra rrb rrc rrr rru rua rub ruc rue ruo rur ruu ruv ruz rva rvb rvc rve rvo rvr rvu rvv rza rzb rze rzo ua- uaa uab uac uae uao uar uau uav uaz uba ubb ubc ube ubo ubr ubu ubv uca ucb ucc uce uco ucr ucu ucv uea ueb uec uee uer uoa uob uoc uoe uoo uor ur- ura urb urc ure uro urr uru urz uua uuc uue uur uuu uva uvb uvc uve uvo uvu uvv uza uzb uzo uzu v-a v-e vaa vab vac vae vao var vau vav vaz vba vbc vbo vbr vbv vbz vca vcc vce vco vcr vcu vea veb vec vee veo ver veu vez voa vob voc voe voo vor vou vov voz vra vrb vrc vre vrr vru vue vur vuv vuz vva vvb vvc vvo vvr vvv vvz zaa zab zac zao zar zav zaz zbb zbc zbr zbv zce zco zea zeb zec zee zeo zer zev zez zo- zoa zob zoc zoe zoo zor zou zro zub zuc zur zuz zzr zzz

-vac a-be aaaa aaab aaac aaae aaar aaav aaba aabb aabc aaca aacb aacc aace aaco aacr aacu aacv aaea aaec aaev aaoe aaoo aara aarc aare aaro aaru aava abaa abab abac abae abar abau abb- abba abbb abbe abbo abbr abca abcb abcc abcr abec abee aber abez aboa abob aboo abor abou abov abra abrc abro abua abue abva abza abzu acaa acab acac acae acar acba acca accc acce acco accu ace- acea acec acer acev acoa acoe acor acou acr- acra acrc acre acro acrr acrv acu- acue acuo acur acvv aeac aecb aeer aer- aera aerc aero aeva aoba aoca aoce aoeu aora aorb arab arac arae arar arau arba arbe arc- arca arce arco area arec aree areo areu arev aroa arob aroe aroo aror aroz arr- arra arrc arre arro arrr arru arua arub arue arva arve arvo arza arzo arzu auaa aube auca auce auer aur- aura aure auro auve avab avao avar avaz avcc avce avco avea avec aveo aver aveu avez avor avou avra avre avro avur avva avvo aza- azab azar azaz azca azer azo- azoo azor azov azra azua azur azza azzo baaa baar baaz baba babb babe babo babr babu bac- baca bacc bace baco bacz baer baez bar- bara barb barc bare baro barr baru barz bau- baur bava bave bavu baza baze bazo bbau bbbb bbeb bbrc bcaa bcar bcbc bcca bccc bcec bcer bcor bcoz bcra bcru bcuc bcvo bear beau beav beba bebb bebe bebo beca becu beeb beer beo- beor bera berc bere bero berr beru beur bevo bevz beze bezu boab boac boar boaz boba bobb bobe bobo bobu boca boce boco bocu boea boec boee boeo boer boob booc booe boor booz bor- bora bore boro borr boru borz boua boue bour bova bove bovo boza bozo brab brac brae brao brau brav braz brca brcb brce brea breb brec bree breo brer brev brez broa brob broc broe broo bror brou broz brrr bruc brue bruv bruz brza buar buba bubb bube bubo bubu buca bucc buce buco bucu bucz buea buer bueu bur- bura burb bure buro burr buru burz buuz buve buza buze buzz bzer bzoe bzou bzzz c-bo caaa caab caac caba cabe cabo cabu cac- caca cacc cace caco cacr caec caer caeu caor caoz cara carb carc care caro carr cauc cauo cava