-er -ji a-a a-b a-i aaa aab aae aai aaj aao aar aau ab- aba abb abe abi abj abo abr abu aea aeb aee aei aej aeo aer aeu ai- aia aib aie aii aio air aiu aja ajb aje aji ajj ajo ajr aju aoa aob aoe aoi aoj aoo aor aou ar- ara arb are ari arj aro arr aru au- aua aub aue aui auj auo aur b-u baa bab bae bai baj bao bar bau bba bbb bbe bbi bbo bbr bbu be- bea beb bee bei beo ber beu bi- bia bib bie bii bij bio bir biu bja bji bjj bjr bju boa bob boe boi boj boo bor bou bra brb bre bri brj bro brr bru bua bub bue bui buj buo bur buu eaa eab eae eai eaj eao ear eau eba ebb ebe ebi ebj ebo ebr ebu eea eeb eee eeo eer eia eib eie eii eij eio eir eiu eja eji ejo eju eo- eoa eob eoe eoi eoo eor eou era erb ere eri ero err eru eu- eua eub eue eui euj eur ia- iaa iab iae iai iao iar iau iba ibb ibe ibi ibj ibo ibr ibu ie- iea iee iei iej ier iia iib iie iii iij iio iir iiu ija ijb ije iji ijo iju io- ioa iob ioe ioi ioj ioo ior iou ir- ira irb ire iri irj iro irr iru iu- iua iub iue iui iur j-i jaa jab jae jai jaj jao jar jau jba jbi jbj jbo jbr jbu jea jeb jee jei jej jeo jer jeu jia jib jie jii jij jio jir jiu jja jjb jjj jjr jju joa job joe joi joj joo jor jou jra jrb jri jro jrr jub jue jui juo jur o-i oaa oab oae oai oaj oao oar oau ob- oba obb obe obi obj obo obr obu oea oeb oee oei oeo oer oia oib oie oii oio oir oiu oja ojb oje oji ojo oju oo- ooa oob ooi ooo oor or- ora orb ore ori oro orr oru ou- oua oue oui ouo our ra- raa rab rae rai raj rao rar rau rba rbb rbe rbi rbo rbr rbu re- rea reb ree rei reo rer reu ria rib rie rii rio rir rja rjr roa rob roe roi roj roo ror rou rra rrb rri rrr rru rua rub rue rui ruo rur ruu ua- uaa uab uae uai uaj uao uar uau uba ubb ube ubi ubo ubr ubu uea ueb uee uei uer uia uib uie uii uio uir uiu uji ujo uoa uob uoe uoj uoo uor ur- ura urb ure uri uro urr uru uua uue uur uuu