-er a-a a-b a-c a-q aaa aab aac aae aaq aar aau ab- aba abb abc abe abq abr abu ac- aca acb acc ace acq acr acu aea aeb aec aee aeq aer aeu aqa aqc aqr ar- ara arb arc are arq arr aru au- aua aub auc aue aur b-u baa bab bac bae baq bar bau bba bbb bbc bbe bbq bbr bbu bca bcb bcc bce bcq bcr bcu be- bea beb bec bee beq ber beu bqc bqe bra brb bre brq brr bru bua bub buc bue bur buu c-- caa cab cac cae caq car cau cba cbb cbc cbe cbq cbr cbu cca ccb ccc cce ccr ccu ce- cea ceb cec cee ceq cer ceu cqa cqb cqc cra crb crc cre crq crr cru cua cub cuc cue cuq cur cuu eaa eab eac eae ear eau eba ebb ebc ebe ebq ebr ebu ec- eca ecb ecc ece ecq ecr ecu eea eeb eec eee eer eqa eqe eqq equ era erb erc ere erq err eru eu- eua eub euc eue eur qaa qac qar qau qba qbc qbe qbq qca qcc qec qee qqq qqu qra qrb qrc qre qru qu- qua que qur ra- raa rab rac rae raq rar rau rba rbb rbc rbe rbr rbu rca rcb rcc rce rcr rcu re- rea reb rec ree req rer reu rqc rra rrb rrc rrq rrr rru rua rub ruc rue rur ruu ua- uaa uab uac uae uaq uar uau uba ubb ubc ube ubr ubu uca ucb ucc uce ucr ucu uea ueb uec uee uer ur- ura urb urc ure urr uru uua uuc uue uur uuu

a-be aaaa aaab aaac aaae aaar aaba aabb aabc aaca aacb aacc aace aacr aacu aaea aaec aara aarc aare aaru abaa abab abac abae abar abau abb- abba abbb abbe abbr abca abcb abcc abcr abec abee aber abra abrc abua abue acaa acab acac acae acar acba acca accc acce accu ace- acea acec acer acr- acra acrc acre acrr acu- acue acur aeac aecb aeer aer- aera aerc aqar aqra aqu- aqua aque arab arac arae araq arar arau arba arbe arc- arca arce area arec aree areu arq- arqa arr- arra arrc arre arrr arru arua arub arue aruq auaa aube auca auce auer aur- aura aure baaa baar baba babb babe babr babu bac- baca bacc bace baer baqa bar- bara barb barc bare barq barr baru bau- baur bbau bbbb bbbq bbeb bbrc bcaa bcar bcbc bcca bccc bcec bcer bcra bcru bcuc bear beau beba bebb bebe beca becu beeb beer beqa bera berc bere berr beru beur bque brab brac brae brau brca brcb brce brea breb brec bree brer brrr bruc brue buar buba bubb bube bubq bubu buca bucc buce bucu buea buer bueu buqa bur- bura burb bure burr buru caaa caab caac caba cabe cabu cac- caca cacc cace cacr caec caer caeu cara carb carc care carr cauc cbac cbar cbbc cbca cbcc cbce cbcr cbcu cbea cbec cbee cber cbre ccaa ccab ccac ccar ccba ccbc ccca cccb cccc cccu ccee ccra ccrc ccre ccuc ceac cear ceba cebu cec- ceca cece ceeb ceec ceqa cer- cera cerc cere crab crac crar crau crbc crbu crca crcc crce crcr cre- crea creb crec cree creu crub crue cuau cub- cuba cubb cube cuca cucc cuce cucq cuer cura curb cure curr eaba eaca eacc eaec eara earb eare ebac ebba ebbc ebbr ebcc eber ebru ebur ecaa ecac ecar ecbc ecbe ecca eccb eccc ecce ecra ecrc ecrr ecru ecua eeca eeea eeee eera eerc equ- equa eque erau erba erbb erbe erca ercc erce ereb erec erer erra errc erre erua erub eruc erur euba eubc euer eur- eura eurc eure q-be qa-c qara qare qaru qcea qcue qere qerq qqqq quaa quab quae quar quba qube qucu quee quer quu- raab raba rabb rabe rabu rac- raca racc race racq racu raec raer rara rarb rare raua raub rauc raue rbbb rbbr rcac rcbc rccb rccc rea- reac reae rear reau reba rebb rebe rebu reca recc rece recr recu reeb reqa rera rere reru reue reuu rrrr ruba rubb rube rubu ruca ruce ruer rura rurc rure ruru uabc uaca uarc uaru uaua ubac ubar ubba ubbe uber ubra ucar ucbc ucca ucea ucrc ucua ueba uqac uqar uqcc urac urau urba urbe urca ure- urea urra urre uruq urur uuuu

-aaa- aaaaq aaace aaaee aaarc aabaa aabba aabra aacbc aaqbe aaqua aarau abaab ababa ababe ababu abaca abaer abara abare abaru abbac abbar abbur abccc abear abeau abeba abebe abece abeer abera abere aberr abrac abrar abreu abura aburr acaca acacb acar- acara acare acaua accra accub accue accur aceae acera acerb acqua acrab acrea acree acrue acuba acura acure aeaea aebbe aerru aqaba aqqur aqrab aqua- aquae ar-ab ara-c arab- araba arabe araca arace araea arara arare araru arbab arbar arbee arber arbre arcae arcee areae arear areca arere arq-e arque arrau arrea arrua aruaa aruac aruba arura aruru auber aurae aurar aurea aurra baabe babar babau babec babee baber babra babur bacab bacar bacca bacea bacu baqaa baque baraa barab barac baraq barar barba barbe barbq barbu barca barce barea bareq barer barra barre barru barua baruc baruq bauer baura baure bauru bbbee bbear bbqer be-er beara beare bebar beber bebra becca becue beeac beebe beqaa beque berar berau berba berbe berca bercu berea berec berra berre berru beuca beuer beure braaq braca bracc brace breba brebu brece breer brera brere breu- brrar brrrr bruce bruer bubba bubbe buber bucaq bucca bucur buraa buraq burca burcu burea burqa burra burru buruc buruq c-a-c ca-ca caaba caare caber cabra cabre cacau cacu caec- caeca caere caqar caraa carab carac caraq carau carb- carea carer carra carre carue cauac cauca cauce caue cauer caure ccccc ceace ceara ceare cearr cebec ceber ceeac ceere cerae cerbu cerc-