-er a-a a-b a-i aaa aab aad aae aai aan aao aar aau aaw aax ab- aba abb abd abe abi abn abo abr abu abw abx ad- ada adb add ade adi adn ado adr adu adw adx aea aeb aed aee aei aen aeo aer aeu aew aex ai- aia aib aid aie aii ain aio air aiu aiw aix an- ana anb and ane ani ann ano anr anu anx aoa aob aod aoe aoi aon aoo aor aou aow aox ar- ara arb ard are ari arn aro arr aru arw arx au- aua aub aud aue aui aun auo aur auw aux aw- awa awb awd awe awi awn awo awr awu aww ax- axa axe axi axn axo axr axx b-u baa bab bad bae bai ban bao bar bau baw bax bba bbb bbd bbe bbi bbn bbo bbr bbu bbw bbx bda bdb bdd bde bdi bdo bdr bdu bdw bdx be- bea beb bed bee bei ben beo ber beu bew bex bi- bia bib bid bie bii bin bio bir biu biw bix bna bnb bnd bne bni bnn bno bnr bnu bnw bnx boa bob bod boe boi bon boo bor bou bow box bra brb brd bre bri brn bro brr bru brw brx bua bub bud bue bui bun buo bur buu buw bux bwa bwb bwd bwi bwo bwr bwu bxb bxd bxi bxn bxo bxw bxx daa dab dad dae dai dan dao dar dau daw dax dba dbb dbd dbe dbi dbn dbo dbr dbu dbx dda ddb ddd dde ddi ddn ddo ddr ddu ddw ddx de- dea deb ded dee dei den deo der deu dew dex di- dia dib did die dii din dio dir diu diw dix dna dnb dnd dne dni dnn dno dnr dnw doa dob dod doe doi don doo dor dou dow dox dra drb drd dre dri drn dro drr dru drw drx dua dub dud due dui dun duo dur dux dwa dwb dwe dwi dwn dwo dwr dwu dww dwx dxd dxi dxn dxo dxr dxx eaa eab ead eae eai ean eao ear eau eaw eax eba ebb ebd ebe ebi ebn ebo ebr ebu ebw ebx ed- eda edb edd ede edi edn edo edr edu edw edx eea eeb eed eee een eeo eer eew eex eia eib eid eie eii ein eio eir eiu eix en- ena enb end ene eni enn eno enr enu enw eo- eoa eob eod eoe eoi eon eoo eor eou eow era erb erd ere eri ern ero err eru erw eu- eua eub eud eue eui eun eur eux ewa ewb ewd ewe ewi ewo ewr ewu eww ex- exa exd exe exi exo exr exu exw exx i-d ia- iaa iab iad iae iai ian iao iar iau iaw iba ibb ibd ibe ibi ibn ibo ibr ibu ibw ibx ida idb idd ide idi idn ido idr idu idw idx ie- iea ied iee iei ien ier iex iia iib iid iie iii iin iio iir iiu iiw iix in- ina inb ind ine ini inn ino inr inu inx io- ioa iob iod ioe ioi ion ioo ior iou iow ir- ira irb ird ire iri irn iro irr iru irx iu- iua iub iud iue iui iur iwa iwb iwd iwe iwi iwo iwr iwu iww ixe ixi ixn n-i naa nab nad nae nai nan nao nar nau naw nax nba nbb nbd nbe nbi nbn nbo nbr nbu nbw nbx nda ndb ndd nde ndi ndn ndo ndr ndu ne- nea neb ned nee nei nen neo ner neu new nex nia nib nid nie nii nin nio nir niu nix nna nnb nne nni nnn nno nnu nnw no- noa nob nod noe noi non noo nor nou now nox nra nrb nrd nre nri nrn nro nrr nru nrw nrx nua nub nud nue nui nun nuo nur nuu nux nwa nwb nwd nwe nwi nwn nwo nwr nwu nxd o-i oaa oab oad oae oai oan oao oar oau oaw oax ob- oba obb obd obe obi obn obo obr obu obw obx oda odb odd ode odi odn odo odr odu oea oeb oed oee oei oen oeo oer oex oia oib oid oie oii oin oio oir oiu on- ona onb ond one oni onn ono onr onu onx oo- ooa oob ood ooi oon ooo oor oow oox or- ora orb ord ore ori orn oro orr oru orx ou- oua oud oue oui oun ouo our owa owb owd owe owi own owo owu oww ox- oxa oxb oxi oxn oxo oxx ra- raa rab rad rae rai ran rao rar rau raw rax rba rbb rbd rbe rbi rbn rbo rbr rbu rbw rbx rda rdb rdd rde rdi rdn rdo rdr rdu rdx re- rea reb red ree rei ren reo rer reu rew rex ria rib rid rie rii rin rio rir rix rna rnb rnd rni rnn rno rnr rnu rnw roa rob rod roe roi ron roo ror rou row rox rra rrb rrd rri rrn rrr rru rua rub rud rue rui run ruo rur ruu rux rwa rwb rwd rwe rwi rwr rwu rxr ua- uaa uab uad uae uai uan uao uar uau uaw uba ubb ube ubi ubn ubo ubr ubu ubw ubx uda udb udd ude udi udn udo udr udu udx uea ueb ued uee uei uen uer uew uia uib uid uie uii uin uio uir uiu un- una unb und une uni unn uno unr unu unw unx uoa uob uod uoe uon uoo uor uow uox ur- ura urb urd ure uri urn uro urr uru urw urx uua uue uun uur uuu uwa uwb uwe uwn uwr uww uxb uxo uxr uxu waa wab wad wae wai wan wao war wau waw wax wba wbb wbd wbe wbi wbn wbo wbr wbw wbx wda