a-a a-b a-c aaa aab aac aad aam aan aao aar aau ab- aba abb abc abd abm abn abo abr abu ac- aca acb acc acd acm acn aco acr acu ad- ada adb adc add adm adn ado adr adu ama amb amc amd amm amn amo amr amu an- ana anb anc and anm ann ano anr anu aoa aob aoc aod aom aon aoo aor aou ar- ara arb arc ard arm arn aro arr aru au- aua aub auc aud aum aun auo aur b-u baa bab bac bad bam ban bao bar bau bba bbb bbc bbd bbm bbn bbo bbr bbu bca bcb bcc bcd bcm bcn bco bcr bcu bda bdb bdc bdd bdm bdo bdr bdu bma bmb bmc bmd bmm bmn bmo bmr bmu bna bnb bnc bnd bnn bno bnr bnu boa bob boc bod bom bon boo bor bou bra brb brd brm brn bro brr bru bua bub buc bud bum bun buo bur buu c-- caa cab cac cad cam can cao car cau cba cbb cbc cbd cbm cbn cbo cbr cbu cca ccb ccc ccd ccm ccn cco ccr ccu cda cdb cdc cdd cdm cdn cdo cdr cdu cma cmb cmc cmd cmm cmn cmo cmr cmu cn- cna cnb cnc cnd cnm cnn cno cnr cnu co- coa cob coc cod com con coo cor cou cra crb crc crd crm crn cro crr cru cua cub cuc cud cum cun cuo cur cuu daa dab dac dad dam dan dao dar dau dba dbb dbc dbd dbm dbn dbo dbr dbu dca dcb dcc dcd dcm dcn dco dcr dcu dda ddb ddc ddd ddm ddn ddo ddr ddu dma dmb dmc dmd dmm dmn dmo dmr dmu dna dnb dnc dnd dnm dnn dno dnr doa dob doc dod dom don doo dor dou dra drb drc drd drm drn dro drr dru dua dub duc dud dum dun duo dur m-o m-r maa mab mac mad mam man mao mar mau mba mbb mbc mbd mbm mbo mbr mbu mc- mca mcb mcc mcd mcm mcn mco mcr mcu mda mdb mdc mdd mdm mdn mdo mdr mdu mma mmb mmc mmd mmm mmn mmo mmr mmu mna mnb mnc mnm mnn mno mnr mnu moa mob moc mod mom mon moo mor mou mra mrb mrc mrd mrm mrn mro mrr mru mua mub muc mud mum mun mur muu naa nab nac nad nam nan nao nar nau nba nbb nbc nbd nbm nbn nbo nbr nbu nca ncb ncc ncd ncm ncn nco ncr ncu nda ndb ndc ndd ndm ndn ndo ndr ndu nma nmb nmc nmd nmm nmn nmo nmr nmu nna nnb nnc nnm nnn nno nnu no- noa nob noc nod nom non noo nor nou nra nrb nrc nrd nrm nrn nro nrr nru nua nub nuc nud num nun nuo nur nuu oaa oab oac oad oam oan oao oar oau ob- oba obb obc obd obm obn obo obr obu oc- oca ocb occ ocd ocm ocn oco ocr ocu oda odb odc odd odm odn odo odr odu om- oma omb omc omd omm omn omo omr omu on- ona onb onc ond onn ono onr onu oo- ooa oob ooc ood oom oon ooo oor or- ora orb orc ord orm orn oro orr oru ou- oua ouc oud oum oun ouo our ra- raa rab rac rad ram ran rao rar rau rba rbb rbc rbd rbm rbn rbo rbr rbu rca rcb rcc rcd rcm rcn rco rcr rcu rda rdb rdc rdd rdm rdn rdo rdr rdu rma rmb rmc rmd rmm rmn rmo rmr rna rnb rnc rnd rnm rnn rno rnr rnu roa rob roc rod rom ron roo ror rou rra rrb rrc rrd rrm rrn rrr rru rua rub ruc rud rum run ruo rur ruu ua- uaa uab uac uad uam uan uao uar uau uba ubb ubc ubn ubo ubr ubu uca ucb ucc ucd ucm ucn uco ucr ucu uda udb udc udd udm udn udo udr udu um- uma umb umc umd umm umn umo umr umu un- una unb unc und unm unn uno unr unu uoa uob uoc uod uom uon uoo uor ur- ura urb urc urd urm urn uro urr uru uua uuc uum uun uur uuu

-ana a-do a-un aaaa aaab aaac aaad aaam aaan aaar aaba aabb aabc aabd aabm aaca aacb aacc aacd aacm aacn aaco aacr aacu aada aadc aadu aama aamb aamc aamd aamn aamo aamr aana aand aaon aaoo aara aarc aard aarm aaro aaru abaa abab abac abad abam aban abar abau abb- abba abbb abbo abbr abca abcb abcc abcd abcn abcr abda abdo abdu abma abmb abmc abnu aboa abob abod abon aboo abor abou abra abrc abro abua abud abum abun acaa acab acac acad acan acar acba acca accc accd accm acco accu acda acdb acdc acdm acma acmc acmu acoa acod acom acon acor acou acr- acra acrc acrm acro acrr acu- acum acuo acur adaa adab adac adad adam adan adao adar adba adbc adcc adda addc addd addn addo addr addu adma admb admr adna adob adoc adod adon adoo ador adra adro adua adub adun adur amaa amac amad amam aman amar amb- amba ambn ambo ambr ambu amca amcc amco amda amdo amm- amma ammo ammu amnd amno amob amoc amod amon amoo amor amou amra amrc amro amua amud amum amun amur ana- anaa anab anac anad anam anan anao anar anau anba anbb anbo anbu anca ancc anco and- anda ando andr anma anmu anna annb anno ano- anoa anod anom anon anor anrc anua anub anum anun aoba aoca aoma aonb aono aora aorb aorn aoun arab arac arad aram aran arar arau arba arc- arca arcm arco arda ardc ardm ardo ardu arma armc armd armm armo armu arna arnd arno aroa