a-a a-b a-c aaa aab aac aah aam aao aar aau ab- aba abb abc abh abm abo abr abu ac- aca acb acc ach acm aco acr acu aha ahb ahc ahh ahm aho ahr ahu ama amb amc amh amm amo amr amu aoa aob aoc aoh aom aoo aor aou ar- ara arb arc arh arm aro arr aru au- aua aub auc auh aum auo aur b-u baa bab bac bah bam bao bar bau bba bbb bbc bbh bbm bbo bbr bbu bca bcb bcc bch bcm bco bcr bcu bha bhb bhc bhh bhm bho bhr bhu bma bmb bmc bmh bmm bmo bmr bmu boa bob boc boh bom boo bor bou bra brb brh brm bro brr bru bua bub buc buh bum buo bur buu c-- caa cab cac cah cam cao car cau cba cbb cbc cbh cbm cbo cbr cbu cca ccb ccc cch ccm cco ccr ccu ch- cha chb chc chh chm cho chr chu cma cmb cmc cmh cmm cmo cmr cmu co- coa cob coc coh com coo cor cou cra crb crc crh crm cro crr cru cua cub cuc cuh cum cuo cur cuu haa hab hac hah ham hao har hau hba hbb hbc hbh hbm hbo hbr hbu hca hcb hcc hch hcm hco hcr hha hhb hhc hhh hhm hho hhr hhu hma hmb hmc hmh hmm hmo hmr hmu hoa hob hoc hoh hom hoo hor hou hr- hra hrb hrc hrh hrm hro hrr hru hua hub huc huh hum huo hur huu m-o m-r maa mab mac mah mam mao mar mau mba mbb mbc mbh mbm mbo mbr mbu mc- mca mcb mcc mch mcm mco mcr mcu mha mhc mhh mhm mho mhr mhu mma mmb mmc mmh mmm mmo mmr mmu moa mob moc moh mom moo mor mou mra mrb mrc mrh mrm mro mrr mru mua mub muc muh mum mur muu oaa oab oac oah oam oao oar oau ob- oba obb obc obh obm obo obr obu oc- oca ocb occ och ocm oco ocr ocu oha ohc ohh ohm oho ohr ohu om- oma omb omc omh omm omo omr omu oo- ooa oob ooc ooh oom ooo oor or- ora orb orc orh orm oro orr oru ou- oua ouc ouh oum ouo our ra- raa rab rac rah ram rao rar rau rba rbb rbc rbh rbm rbo rbr rbu rca rcb rcc rch rcm rco rcr rcu rh- rha rhb rhc rhh rhm rho rhr rhu rma rmb rmc rmh rmm rmo rmr roa rob roc roh rom roo ror rou rra rrb rrc rrh rrm rrr rru rua rub ruc ruh rum ruo rur ruu ua- uaa uab uac uah uam uao uar uau uba ubb ubc ubh ubo ubr ubu uca ucb ucc uch ucm uco ucr ucu uha uhb uhc uhh uhm uho uhr uhu um- uma umb umc umh umm umo umr umu uoa uob uoc uom uoo uor ur- ura urb urc urm uro urr uru uua uuc uum uur uuu

-hou a-ha aaaa aaab aaac aaah aaam aaar aaba aabb aabc aabh aabm aaca aacb aacc aach aacm aaco aacr aacu aaha aama aamb aamc aamo aamr aaoo aara aarc aarm aaro aaru abaa abab abac abam abar abau abb- abba abbb abbo abbr abca abcb abcc abch abcr abha abhm abho abhr abma abmb abmc aboa abob aboh aboo abor abou abra abrc abro abua abum acaa acab acac acar acba acca accc acch accm acco accu acha achh acho achr achu acma acmc acmh acmu acoa acoh acom acor acou acr- acra acrc acrm acro acrr acu- acum acuo acur ahab ahac ahah aham ahar ahau ahha ahmc ahoa ahom ahor ahra ahrc ahrr ahua ahum amaa amac amah amam amar amb- amba ambo ambr ambu amca amcc amco amm- amma ammo ammu amob amoc amoo amor amou amra amrc amro amua amum amur aoah aoba aoca aoma aora aorb arab arac arah aram arar arau arba arbh arc- arca arch arcm arco arh- arma armc armh armm armo armu aroa arob arom aroo aror arr- arra arrc arrh arro arrr arru arua arub arum auaa auca auch auma aur- aura auro baaa baah baam baar baba babb babm babo babr babu bac- baca bacc bach baco baha baho bahr bahu bama bamb bamc bamm bamu baoh bar- bara barb barc barh barm baro barr baru bau- baum baur bbau bbbb bbch bbcm bbrc bcaa bcam bcar bcbc bcca bccc bccm bcma bcor bcra bcru bcuc bhao bhar bhca bhcc bhor bhra bhur bhuu bmaa bmoc boab boac boar boba bobb bobo bobu boca boch bocm boco bocu boha bohm boho bohr bohu boma bomb bomu boob booc booh boom boor bor- bora borh borm boro borr boru boua bouh boum bour brab brac brah bram brao brau brca brcb brmc broa brob broc broh brom broo bror brou brrm brrr bruc bruh brum buar buba bubb bubo bubu buca bucc buch buco bucu buha buho buhr bum- buma bumb bur- bura burb burh burm buro burr buru c-bo caaa caab caac caah caam caba cabo cabu cac- caca cacc cach cacm caco cacr caha cama camb camc camh camm camo caor cara carb carc carm caro carr cauc caum cauo cbac cbar cbbc cbca cbcc cbcm cbcr cbcu cbha cbrh cbrm ccaa ccab ccac ccam ccar ccba ccbc ccca cccb cccc cccm cccu ccha cchr ccma ccmb ccmc ccmm ccob ccoc ccom ccra ccrc ccuc chaa chab chac chah cham chao char chau chca chch chcm chha chmb chmc chmo choc choh choo chor chou chra chrb chrc chro chrr chua chub chum chur cmaa cmac cmah cmba cmbc cmcc cmha cmhc cmmb cmmc cmoc cmra cmrr coba cobb cobh cobo cobu coca coch coco cocu coha coho com- coma comb comc comm como comr comu coob cooh coom cor- cora corb corc corm coro corr coua