a-a a-b aaa aab aaf aag aah aan aao aar ab- aba abb abf abg abh abn abo abr af- afa afb aff afg afh afn afo afr ag- aga agb agf agg agh agn ago agr aha ahb ahf ahg ahh ahn aho ahr an- ana anb anf ang anh ann ano anr aoa aob aof aog aoh aon aoo aor ar- ara arb arf arg arh arn aro arr baa bab baf bag bah ban bao bar bba bbb bbf bbg bbh bbn bbo bbr bfa bfb bff bfg bfh bfn bfo bfr bga bgb bgf bgg bgh bgn bgo bgr bha bhb bhf bhg bhh bho bhr bna bnb bnf bng bnn bno bnr boa bob bof bog boh bon boo bor bra brb brf brg brh brn bro brr faa fab faf fag fah fan fao far fba fbb fbf fbg fbh fbn fbo fbr ffa fff ffg ffh ffn ffo ffr fga fgb fgf fgg fgh fgn fgr fha fhb fhf fhg fhh fhn fho fhr fna fnb fnf fng fnh fnn fnr foa fob fof fog foh fon foo for fra frb frf frg frh frn fro frr gaa gab gaf gag gah gan gao gar gba gbf gbg gbh gbn gbo gbr gfa gfb gff gfh gfo gfr gga ggb ggg ggh ggn ggo ggr gha ghb ghg ghh ghn gho ghr gna gnb gnf gnn gno gnr goa gob gof gog goh gon goo gor gra grb grf grg grh grn gro grr haa hab haf hag hah han hao har hba hbb hbf hbg hbh hbn hbo hbr hfa hfb hff hfg hfh hfn hfo hfr hga hgb hgf hgg hgh hgn hgo hgr hha hhb hhf hhg hhh hhn hho hhr hna hnb hnf hng hnh hnn hno hoa hob hof hog hoh hon hoo hor hr- hra hrb hrf hrg hrh hrn hro hrr naa nab naf nag nah nan nao nar nba nbb nbf nbg nbn nbo nbr nfa nfb nff nfn nfo nfr nga ngb ngf ngg ngh ngn ngo nha nhb nhf nhg nhh nhn nhr nna nnb nnf nng nnh nnn nno no- noa nob nof nog noh non noo nor nra nrb nrf nrg nrn nro nrr oaa oab oaf oag oah oan oao oar ob- oba obb obf obg obh obn obo obr of- ofa ofb off ofg ofn ofo ofr oga ogf ogg ogh ogn ogo oha ohf ohg ohh ohn oho ohr on- ona onb onf ong onh onn ono onr oo- ooa oob oof oog ooh oon ooo oor or- ora orb orf org orh orn oro orr ra- raa rab raf rag rah ran rao rar rba rbb rbf rbg rbh rbn rbo rbr rfa rfb rff rfg rfh rfn rfo rfr rga rgb rgf rgg rgh rgn rgo rgr rh- rha rhb rhf rhg rhh rhn rho rhr rna rnb rng rnh rnn rno rnr roa rob rof rog roh ron roo ror rra rrb rrf rrg rrh rrn rrr

-ana a-ha aaaa aaab aaaf aaah aaan aaar aaba aabb aabh aafa aafb aaff aagh aaha aana aang aaon aaoo aara aaro abaa abab abaf abag aban abar abb- abba abbb abbo abbr abff abha abho abhr aboa abob abof aboh abon aboo abor abra abro afaa afan afao afar affa affo afgf afgh afoa afog afoo afor afr- afra afro ag-o agag agan agao agar agba agbo agfa agga agha agna agno agob agog agon agoo agra agro ahab ahah ahar ahfa ahha ahoa ahog ahor ahra ahrr ana- anaa anab anag anah anan anao anar anba anbb anbo anfa anfo ang- anga ango anha anna annb anno ano- anoa anon anor aoah aoba aonb aono aora aorb aorn arab araf arag arah aran arar arba arbh arfa arfb arff arga argb argh argo arh- arna arng arno aroa arob aron aroo aror arr- arra arrg arrh arro arrr baaa baaf baah baan baar baba babb babo babr baff bafo baga bagg bagh bagn bago baha bahn baho bahr bana bang banh bann bano banr baoh baon bar- bara barb barf barg barh barn baro barr bbbb bbfn bbga bbng bbrg bfgf bgan bgon bhag bhan bhao bhar bhff bhog bhor bhra bnor bnrr boab boag boan boar boba bobb bobo bofa boff bofh boga bogg bogh bogo boha bohn boho bohr bona bong bonn bono boob boof boog booh boon boor bor- bora borf borg borh born boro borr brab braf brag brah bran brao brna brno broa brob brog broh bron broo bror brrr faaa faah faan faba fabo fafa faff fafg fafo fagg fago faha fahn fahr fana fang fano faon fara farb farg faro farr fbar ffar ffff ffrr fnar foaf foan foar foba fofo fogg fogh fogn fogo fohn fohr fong fono foof foon for- fora forb forg forn foro forr frab frag fran frob frog froh fron gaar gaba gabb gabo gabr gafa gafb gaff gaga gagg gago gaha gahn gana gang gann gano gaoh gaon gara garb garf garg garn garo garr gbag gban gbbo gbon gffa gfha gfoa gfor ggfg gggg gghg ggrn ghan ghar ghon ghrf gnaa gnar gnof gnoo gnrr goaf goan goar goba gobo goff gofr goga gogh gogo goha gohb gon- gona gong gonn gono goof goog goon goor gora gorb gorf gorg gorn goro gorr grab graf gran grbr grfa grob grof grog groh gron groo gror grrr haab haaf haag haan haar haba habo hafb haff hag- haga hagg hagh hago haha hahn haho hana hang hann hano haon haor hara harf harh harn haro harr hbag hbar hfba hgah hgar hhaa hhgg hhhh hhof hnna hoag hoan hoar hoba hobo hoff hoga hogg hogh hogo hoha hohn hoho hong hono hoof hoon hoor hora horg horn horo horr hran hrng hrob hron naaa naab naag naan naar naba nabf nabo nafa naff nafo naga nago naha nahf nahr nan- nana nanb nang nann nano naoh naor nara narf narg narh narn naro