a-a a-b a-i aaa aab aag aah aai aak aao aar aau ab- aba abb abg abh abi abk abo abr abu ag- aga agb agg agh agi agk ago agr agu aha ahb ahg ahh ahi ahk aho ahr ahu ai- aia aib aig aih aii aik aio air aiu aka akb akg akh aki akk ako akr aku aoa aob aog aoh aoi aok aoo aor aou ar- ara arb arg arh ari ark aro arr aru au- aua aub aug auh aui auk auo aur b-u baa bab bag bah bai bak bao bar bau bba bbb bbg bbh bbi bbk bbo bbr bbu bga bgb bgg bgh bgi bgk bgo bgr bgu bha bhb bhg bhh bhi bhk bho bhr bhu bi- bia bib big bih bii bik bio bir biu bka bkb bkg bkk bko bkr boa bob bog boh boi bok boo bor bou bra brb brg brh bri brk bro brr bru bua bub bug buh bui buk buo bur buu gaa gab gag gah gai gak gao gar gau gba gbg gbh gbi gbk gbo gbr gbu gga ggb ggg ggh ggi ggo ggr ggu gha ghb ghg ghh ghi gho ghr gia gib gig gih gii gik gio gir giu gka gkb gkh gko goa gob gog goh goi gok goo gor gou gra grb grg grh gri grk gro grr gru gu- gua gub gug gui guk guo gur guu h-i haa hab hag hah hai hak hao har hau hba hbb hbg hbh hbi hbk hbo hbr hbu hga hgb hgg hgh hgi hgk hgo hgr hgu hha hhb hhg hhh hhi hhk hho hhr hhu hia hib hig hih hii hik hio hir hiu hka hkb hkg hkh hki hkk hko hkr hku hoa hob hog hoh hoi hok hoo hor hou hr- hra hrb hrg hrh hri hrk hro hrr hru hua hub hug huh hui huk huo hur huu ia- iaa iab iag iah iai iao iar iau iba ibb ibg ibh ibi ibk ibo ibr ibu iga igb igg igh igi igk igo igr igu iha ihb ihg ihh ihi ihk iho ihr ihu iia iib iih iii iio iir iiu ika ikb iki ikk iko ikr iku io- ioa iob iog ioh ioi ioo ior iou ir- ira irb irg iri irk iro irr iru iu- iua iub iug iui iur ka- kaa kab kag kah kai kak kao kar kau kba kbb kbh kbi kbk kbo kbr kbu kga kgb kgh kgi kgo kgu kha khh khi khk kho khr khu kia kib kig kih kii kik kio kir kiu kkb kkh kki kkk kkr kku koa kob kog koh koi kok koo kor kou kra krg kri krk kro krr kru kub kug kuh kui kuk kur kuu o-i oaa oab oag oah oai oak oao oar oau ob- oba obb obg obh obi obk obo obr obu oga ogg ogh ogi ogo oha ohg ohh ohi oho ohr ohu oia oib oii oik oio oir oiu oka okb okg oki okk oko okr oku oo- ooa oob oog ooh ooi ook ooo oor or- ora orb org orh ori ork oro orr oru ou- oua ouh oui ouk ouo our ra- raa rab rag rah rai rak rao rar rau rba rbb rbg rbh rbi rbk rbo rbr rbu rga rgb rgg rgh rgi rgk rgo rgr rh- rha rhb rhg rhh rhi rho rhr rhu ria rib rig rih rii rik rio rir rkb rkg rkk rko rku roa rob rog roh roi rok roo ror rou rra rrb rrg rrh rri rrk rrr rru rua rub rug ruh rui ruk ruo rur ruu ua- uaa uab uag uah uai uak uao uar uau uba ubb ubg ubh ubi ubk ubo ubr ubu uga ugb ugg ugh ugi ugk ugo ugr ugu uha uhb uhh uhi uho uhr uhu uia uib uig uii uio uir uiu uka ukb uki ukk ukr uku uoa uob uog uok uoo uor ur- ura urb urg uri urk uro urr uru uua uug uur uuu