a-a a-b a-c aaa aab aac aag aah aan aao aar aau ab- aba abb abc abg abh abn abo abr abu ac- aca acb acc acg ach acn aco acr acu ag- aga agb agc agg agh agn ago agr agu aha ahb ahc ahg ahh ahn aho ahr ahu an- ana anb anc ang anh ann ano anr anu aoa aob aoc aog aoh aon aoo aor aou ar- ara arb arc arg arh arn aro arr aru au- aua aub auc aug auh aun auo aur b-u baa bab bac bag bah ban bao bar bau bba bbb bbc bbg bbh bbn bbo bbr bbu bca bcb bcc bcg bch bcn bco bcr bcu bga bgb bgc bgg bgh bgn bgo bgr bgu bha bhb bhc bhg bhh bho bhr bhu bna bnb bnc bng bnn bno bnr bnu boa bob boc bog boh bon boo bor bou bra brb brg brh brn bro brr bru bua bub buc bug buh bun buo bur buu c-- caa cab cac cag cah can cao car cau cba cbb cbc cbg cbh cbn cbo cbr cbu cca ccb ccc ccg cch ccn cco ccr ccu cga cgb cgc cgg cgh cgn cgo cgr cgu ch- cha chb chc chg chh chn cho chr chu cn- cna cnb cnc cng cnh cnn cno cnr cnu co- coa cob coc cog coh con coo cor cou cra crb crc crg crh crn cro crr cru cua cub cuc cug cuh cun cuo cur cuu gaa gab gac gag gah gan gao gar gau gba gbc gbg gbh gbn gbo gbr gbu gca gcb gcc gcg gch gcn gco gcr gcu gga ggb ggc ggg ggh ggn ggo ggr ggu gha ghb ghc ghg ghh ghn gho ghr gna gnb gnc gnn gno gnr gnu goa gob goc gog goh gon goo gor gou gra grb grc grg grh grn gro grr gru gu- gua gub guc gug gun guo gur guu haa hab hac hag hah han hao har hau hba hbb hbc hbg hbh hbn hbo hbr hbu hca hcb hcc hcg hch hcn hco hcr hga hgb hgc hgg hgh hgn hgo hgr hgu hha hhb hhc hhg hhh hhn hho hhr hhu hna hnb hnc hng hnh hnn hno hnu hoa hob hoc hog hoh hon hoo hor hou hr- hra hrb hrc hrg hrh hrn hro hrr hru hua hub huc hug huh hun huo hur huu naa nab nac nag nah nan nao nar nau nba nbb nbc nbg nbn nbo nbr nbu nca ncb ncc ncg nch ncn nco ncr ncu nga ngb ngc ngg ngh ngn ngo ngu nha nhb nhc nhg nhh nhn nhr nhu nna nnb nnc nng nnh nnn nno nnu no- noa nob noc nog noh non noo nor nou nra nrb nrc nrg nrn nro nrr nru nua nub nuc nug nuh nun nuo nur nuu oaa oab oac oag oah oan oao oar oau ob- oba obb obc obg obh obn obo obr obu oc- oca ocb occ ocg och ocn oco ocr ocu oga ogc ogg ogh ogn ogo oha ohc ohg ohh ohn oho ohr ohu on- ona onb onc ong onh onn ono onr onu oo- ooa oob ooc oog ooh oon ooo oor or- ora orb orc org orh orn oro orr oru ou- oua ouc ouh oun ouo our ra- raa rab rac rag rah ran rao rar rau rba rbb rbc rbg rbh rbn rbo rbr rbu rca rcb rcc rcg rch rcn rco rcr rcu rga rgb rgc rgg rgh rgn rgo rgr rh- rha rhb rhc rhg rhh rhn rho rhr rhu rna rnb rnc rng rnh rnn rno rnr rnu roa rob roc rog roh ron roo ror rou rra rrb rrc rrg rrh rrn rrr rru rua rub ruc rug ruh run ruo rur ruu ua- uaa uab uac uag uah uan uao uar uau uba ubb ubc ubg ubh ubn ubo ubr ubu uca ucb ucc ucg uch ucn uco ucr ucu uga ugb ugc ugg ugh ugn ugo ugr ugu uha uhb uhc uhh uho uhr uhu un- una unb unc ung unh unn uno unr unu uoa uob uoc uog uon uoo uor ur- ura urb urc urg urn uro urr uru uua uuc uug uun uur uuu

-ana -hou a-ha a-un aaaa aaab aaac aaah aaan aaar aaba aabb aabc aabh aaca aacb aacc aach aacn aaco aacr aacu aagh aaha aana aang aaon aaoo aara aarc aaro aaru abaa abab abac abag aban abar abau abb- abba abbb abbo abbr abca abcb abcc abch abcn abcr abha abho abhr abnu aboa abob aboh abon aboo abor abou abra abrc abro abua abug abun acaa acab acac acag acan acar acba acca accc acch acco accu acga acgr acha achh acho achr achu acoa acog acoh acon acor acou acr- acra acrc acro acrr acu- acuo acur ag-o agac agag agan agao agar agau agba agbo agca agcc agco agga aggu agha agna agno agob agog agon agoo agou agra agro agua agun agur ahab ahac ahah ahar ahau ahha ahoa ahog ahor ahra ahrc ahrr ahua ahug ahun ana- anaa anab anac anag anah anan anao anar anau anba anbb anbo anbu anca ancc anco ang- anga ango angu anha anna annb anno ano- anoa anon anor anrc anua anub anun aoah aoba aoca aonb aono aora aorb aorn aoun arab arac arag arah aran arar arau arba arbh arc- arca arch arco arga argb argh argo arh- arna arng arno aroa arob aron aroo aror arr- arra arrc arrg arrh arro arrr arru arua arub arug arun auaa auca auch auga auna aung aur- aura auro auug baaa baah baan baar baba babb babo babr babu bac- baca bacc bach bacn baco baga bagg bagh bagn bago baha bahn baho bahr bahu bana banc bang banh bann bano banr banu baoh baon bar- bara barb barc barg barh barn baro barr baru