a-a a-b a-i aaa aab aag aah aai aan aao aar aau ab- aba abb abg abh abi abn abo abr abu ag- aga agb agg agh agi agn ago agr agu aha ahb ahg ahh ahi ahn aho ahr ahu ai- aia aib aig aih aii ain aio air aiu an- ana anb ang anh ani ann ano anr anu aoa aob aog aoh aoi aon aoo aor aou ar- ara arb arg arh ari arn aro arr aru au- aua aub aug auh aui aun auo aur b-u baa bab bag bah bai ban bao bar bau bba bbb bbg bbh bbi bbn bbo bbr bbu bga bgb bgg bgh bgi bgn bgo bgr bgu bha bhb bhg bhh bhi bho bhr bhu bi- bia bib big bih bii bin bio bir biu bna bnb bng bni bnn bno bnr bnu boa bob bog boh boi bon boo bor bou bra brb brg brh bri brn bro brr bru bua bub bug buh bui bun buo bur buu gaa gab gag gah gai gan gao gar gau gba gbg gbh gbi gbn gbo gbr gbu gga ggb ggg ggh ggi ggn ggo ggr ggu gha ghb ghg ghh ghi ghn gho ghr gia gib gig gih gii gin gio gir giu gna gnb gni gnn gno gnr gnu goa gob gog goh goi gon goo gor gou gra grb grg grh gri grn gro grr gru gu- gua gub gug gui gun guo gur guu h-i haa hab hag hah hai han hao har hau hba hbb hbg hbh hbi hbn hbo hbr hbu hga hgb hgg hgh hgi hgn hgo hgr hgu hha hhb hhg hhh hhi hhn hho hhr hhu hia hib hig hih hii hin hio hir hiu hna hnb hng hnh hnn hno hnu hoa hob hog hoh hoi hon hoo hor hou hr- hra hrb hrg hrh hri hrn hro hrr hru hua hub hug huh hui hun huo hur huu ia- iaa iab iag iah iai ian iao iar iau iba ibb ibg ibh ibi ibn ibo ibr ibu iga igb igg igh igi ign igo igr igu iha ihb ihg ihh ihi ihn iho ihr ihu iia iib iih iii iin iio iir iiu in- ina inb ing inh ini inn ino inr inu io- ioa iob iog ioh ioi ion ioo ior iou ir- ira irb irg iri irn iro irr iru iu- iua iub iug iui iur n-i naa nab nag nah nai nan nao nar nau nba nbb nbg nbi nbn nbo nbr nbu nga ngb ngg ngh ngi ngn ngo ngu nha nhb nhg nhh nhi nhn nhr nhu nia nib nig nih nii nin nio nir niu nna nnb nng nnh nni nnn nno nnu no- noa nob nog noh noi non noo nor nou nra nrb nrg nri nrn nro nrr nru nua nub nug nuh nui nun nuo nur nuu o-i oaa oab oag oah oai oan oao oar oau ob- oba obb obg obh obi obn obo obr obu oga ogg ogh ogi ogn ogo oha ohg ohh ohi ohn oho ohr ohu oia oib oii oin oio oir oiu on- ona onb ong onh oni onn ono onr onu oo- ooa oob oog ooh ooi oon ooo oor or- ora orb org orh ori orn oro orr oru ou- oua ouh oui oun ouo our ra- raa rab rag rah rai ran rao rar rau rba rbb rbg rbh rbi rbn rbo rbr rbu rga rgb rgg rgh rgi rgn rgo rgr rh- rha rhb rhg rhh rhi rhn rho rhr rhu ria rib rig rih rii rin rio rir rna rnb rng rnh rni rnn rno rnr rnu roa rob rog roh roi ron roo ror rou rra rrb rrg rrh rri rrn rrr rru rua rub rug ruh rui run ruo rur ruu ua- uaa uab uag uah uai uan uao uar uau uba ubb ubg ubh ubi ubn ubo ubr ubu uga ugb ugg ugh ugi ugn ugo ugr ugu uha uhb uhh uhi uho uhr uhu uia uib uig uii uin uio uir uiu un- una unb ung unh uni unn uno unr unu uoa uob uog uon uoo uor ur- ura urb urg uri urn uro urr uru uua uug uun uur uuu