a-a a-b a-c aaa aab aac aad aah aan aao aar aau ab- aba abb abc abd abh abn abo abr abu ac- aca acb acc acd ach acn aco acr acu ad- ada adb adc add adh adn ado adr adu aha ahb ahc ahd ahh ahn aho ahr ahu an- ana anb anc and anh ann ano anr anu aoa aob aoc aod aoh aon aoo aor aou ar- ara arb arc ard arh arn aro arr aru au- aua aub auc aud auh aun auo aur b-u baa bab bac bad bah ban bao bar bau bba bbb bbc bbd bbh bbn bbo bbr bbu bca bcb bcc bcd bch bcn bco bcr bcu bda bdb bdc bdd bdh bdo bdr bdu bha bhb bhc bhd bhh bho bhr bhu bna bnb bnc bnd bnn bno bnr bnu boa bob boc bod boh bon boo bor bou bra brb brd brh brn bro brr bru bua bub buc bud buh bun buo bur buu c-- caa cab cac cad cah can cao car cau cba cbb cbc cbd cbh cbn cbo cbr cbu cca ccb ccc ccd cch ccn cco ccr ccu cda cdb cdc cdd cdh cdn cdo cdr cdu ch- cha chb chc chd chh chn cho chr chu cn- cna cnb cnc cnd cnh cnn cno cnr cnu co- coa cob coc cod coh con coo cor cou cra crb crc crd crh crn cro crr cru cua cub cuc cud cuh cun cuo cur cuu daa dab dac dad dah dan dao dar dau dba dbb dbc dbd dbh dbn dbo dbr dbu dca dcb dcc dcd dcn dco dcr dcu dda ddb ddc ddd ddh ddn ddo ddr ddu dh- dha dhb dhc dhd dhh dho dhr dhu dna dnb dnc dnd dnh dnn dno dnr doa dob doc dod doh don doo dor dou dra drb drc drd drn dro drr dru dua dub duc dud duh dun duo dur haa hab hac had hah han hao har hau hba hbb hbc hbd hbh hbn hbo hbr hbu hca hcb hcc hcd hch hcn hco hcr hda hdb hdc hdd hdh hdn hdo hdr hdu hha hhb hhc hhd hhh hhn hho hhr hhu hna hnb hnc hnd hnh hnn hno hnu hoa hob hoc hod hoh hon hoo hor hou hr- hra hrb hrc hrd hrh hrn hro hrr hru hua hub huc hud huh hun huo hur huu naa nab nac nad nah nan nao nar nau nba nbb nbc nbd nbn nbo nbr nbu nca ncb ncc ncd nch ncn nco ncr ncu nda ndb ndc ndd ndh ndn ndo ndr ndu nha nhb nhc nhd nhh nhn nhr nhu nna nnb nnc nnh nnn nno nnu no- noa nob noc nod noh non noo nor nou nra nrb nrc nrd nrn nro nrr nru nua nub nuc nud nuh nun nuo nur nuu oaa oab oac oad oah oan oao oar oau ob- oba obb obc obd obh obn obo obr obu oc- oca ocb occ ocd och ocn oco ocr ocu oda odb odc odd odh odn odo odr odu oha ohc ohd ohh ohn oho ohr ohu on- ona onb onc ond onh onn ono onr onu oo- ooa oob ooc ood ooh oon ooo oor or- ora orb orc ord orh orn oro orr oru ou- oua ouc oud ouh oun ouo our ra- raa rab rac rad rah ran rao rar rau rba rbb rbc rbd rbh rbn rbo rbr rbu rca rcb rcc rcd rch rcn rco rcr rcu rda rdb rdc rdd rdh rdn rdo rdr rdu rh- rha rhb rhc rhd rhh rhn rho rhr rhu rna rnb rnc rnd rnh rnn rno rnr rnu roa rob roc rod roh ron roo ror rou rra rrb rrc rrd rrh rrn rrr rru rua rub ruc rud ruh run ruo rur ruu ua- uaa uab uac uad uah uan uao uar uau uba ubb ubc ubh ubn ubo ubr ubu uca ucb ucc ucd uch ucn uco ucr ucu uda udb udc udd udn udo udr udu uha uhb uhc uhd uhh uho uhr uhu un- una unb unc und unh unn uno unr unu uoa uob uoc uod uon uoo uor ur- ura urb urc urd urn uro urr uru uua uuc uun uur uuu

-ana -hou a-do a-ha a-un aaaa aaab aaac aaad aaah aaan aaar aaba aabb aabc aabd aabh aaca aacb aacc aacd aach aacn aaco aacr aacu aada aadc aadu aaha aana aand aaon aaoo aara aarc aard aaro aaru abaa abab abac abad aban abar abau abb- abba abbb abbo abbr abca abcb abcc abcd abch abcn abcr abda abdo abdu abha abho abhr abnu aboa abob abod aboh abon aboo abor abou abra abrc abro abua abud abun acaa acab acac acad acan acar acba acca accc accd acch acco accu acda acdb acdc acha achh acho achr achu acoa acod acoh acon acor acou acr- acra acrc acro acrr acu- acuo acur adaa adab adac adad adah adan adao adar adba adbc adcc adda addc addd addn addo addr addu adha adhd adhn adho adhu adna adob adoc adod adon adoo ador adra adro adua adub adun adur ahab ahac ahad ahah ahar ahau ahha ahoa ahod ahor ahra ahrc ahrr ahua ahun ana- anaa anab anac anad anah anan anao anar anau anba anbb anbo anbu anca ancc anco and- anda andh ando andr anha anna annb anno ano- anoa anod anon anor anrc anua anub anun aoah aoba aoca aodh aonb aono aora aorb aorn aoun arab arac arad arah aran arar arau arba arbh arc- arca arch arco arda ardc ardo ardu arh- arna arnd arno aroa arob arod aron aroo aror arr- arra arrc arrh arro arrr arru arua arub arud arun auaa auca auch audc audh audo auna aur- aura aurd auro baaa baad baah baan baar baba babb babo babr babu bac- baca bacc bach bacn baco