-er a-a a-b a-i aaa aab aad aae aah aai aan aar aau ab- aba abb abd abe abh abi abn abr abu ad- ada adb add ade adh adi adn adr adu aea aeb aed aee aeh aei aen aer aeu aha ahb ahd ahe ahh ahi ahn ahr ahu ai- aia aib aid aie aih aii ain air aiu an- ana anb and ane anh ani ann anr anu ar- ara arb ard are arh ari arn arr aru au- aua aub aud aue auh aui aun aur b-u baa bab bad bae bah bai ban bar bau bba bbb bbd bbe bbh bbi bbn bbr bbu bda bdb bdd bde bdh bdi bdr bdu be- bea beb bed bee beh bei ben ber beu bha bhb bhd bhe bhh bhi bhr bhu bi- bia bib bid bie bih bii bin bir biu bna bnb bnd bne bni bnn bnr bnu bra brb brd bre brh bri brn brr bru bua bub bud bue buh bui bun bur buu daa dab dad dae dah dai dan dar dau dba dbb dbd dbe dbh dbi dbn dbr dbu dda ddb ddd dde ddh ddi ddn ddr ddu de- dea deb ded dee deh dei den der deu dh- dha dhb dhd dhe dhh dhi dhr dhu di- dia dib did die dih dii din dir diu dna dnb dnd dne dnh dni dnn dnr dra drb drd dre dri drn drr dru dua dub dud due duh dui dun dur eaa eab ead eae eah eai ean ear eau eba ebb ebd ebe ebh ebi ebn ebr ebu ed- eda edb edd ede edh edi edn edr edu eea eeb eed eee een eer eha ehb ehd ehe ehh ehi ehn ehr ehu eia eib eid eie eii ein eir eiu en- ena enb end ene enh eni enn enr enu era erb erd ere erh eri ern err eru eu- eua eub eud eue eui eun eur h-i haa hab had hae hah hai han har hau hba hbb hbd hbe hbh hbi hbn hbr hbu hda hdb hdd hde hdh hdi hdn hdr hdu he- hea heb hed hee heh hei hen her heu hha hhb hhd hhe hhh hhi hhn hhr hhu hia hib hid hie hih hii hin hir hiu hna hnb hnd hne hnh hnn hnu hr- hra hrb hrd hre hrh hri hrn hrr hru hua hub hud hue huh hui hun hur huu i-d ia- iaa iab iad iae iah iai ian iar iau iba ibb ibd ibe ibh ibi ibn ibr ibu ida idb idd ide idh idi idn idr idu ie- iea ied iee iei ien ier iha ihb ihd ihe ihh ihi ihn ihr ihu iia iib iid iie iih iii iin iir iiu in- ina inb ind ine inh ini inn inr inu ir- ira irb ird ire iri irn irr iru iu- iua iub iud iue iui iur n-i naa nab nad nae nah nai nan nar nau nba nbb nbd nbe nbi nbn nbr nbu nda ndb ndd nde ndh ndi ndn ndr ndu ne- nea neb ned nee neh nei nen ner neu nha nhb nhd nhe nhh nhi nhn nhr nhu nia nib nid nie nih nii nin nir niu nna nnb nne nnh nni nnn nnu nra nrb nrd nre nri nrn nrr nru nua nub nud nue nuh nui nun nur nuu ra- raa rab rad rae rah rai ran rar rau rba rbb rbd rbe rbh rbi rbn rbr rbu rda rdb rdd rde rdh rdi rdn rdr rdu re- rea reb red ree reh rei ren rer reu rh- rha rhb rhd rhe rhh rhi rhn rhr rhu ria rib rid rie rih rii rin rir rna rnb rnd rnh rni rnn rnr rnu rra rrb rrd rrh rri rrn rrr rru rua rub rud rue ruh rui run rur ruu ua- uaa uab uad uae uah uai uan uar uau uba ubb ube ubh ubi ubn ubr ubu uda udb udd ude udi udn udr udu uea ueb ued uee ueh uei uen uer uha uhb uhd uhe uhh uhi uhr uhu uia uib uid uie uii uin uir uiu un- una unb und une unh uni unn unr unu ur- ura urb urd ure uri urn urr uru uua uue uun uur uuu