-er a-a a-b a-i a-t aaa aab aae aai aam aan aao aar aat aau ab- aba abb abe abi abm abn abo abr abt abu aea aeb aee aei aem aen aeo aer aet aeu ai- aia aib aie aii aim ain aio air ait aiu ama amb ame ami amm amn amo amr amt amu an- ana anb ane ani anm ann ano anr ant anu aoa aob aoe aoi aom aon aoo aor aot aou ar- ara arb are ari arm arn aro arr art aru at- ata atb ate ati atm atn ato atr att atu au- aua aub aue aui aum aun auo aur aut b-u baa bab bae bai bam ban bao bar bat bau bba bbb bbe bbi bbm bbn bbo bbr bbt bbu be- bea beb bee bei bem ben beo ber bet beu bi- bia bib bie bii bim bin bio bir bit biu bma bmb bme bmi bmm bmn bmo bmr bmt bmu bna bnb bne bni bnn bno bnr bnt bnu boa bob boe boi bom bon boo bor bot bou bra brb bre bri brm brn bro brr brt bru bta btb bte bti btm btn bto btr btt btu bua bub bue bui bum bun buo bur but buu eaa eab eae eai eam ean eao ear eat eau eba ebb ebe ebi ebm ebn ebo ebr ebt ebu eea eeb eee eem een eeo eer eet eia eib eie eii eim ein eio eir eit eiu em- ema emb eme emi emm emn emo emr emt emu en- ena enb ene eni enm enn eno enr ent enu eo- eoa eob eoe eoi eom eon eoo eor eot eou era erb ere eri erm ern ero err ert eru eta etb ete eti etm etn eto etr ett etu eu- eua eub eue eui eun eur eut ia- iaa iab iae iai iam ian iao iar iat iau iba ibb ibe ibi ibm ibn ibo ibr ibt ibu ie- iea iee iei iem ien ier iet iia iib iie iii iim iin iio iir iit iiu im- ima imb ime imi imm imn imo imt imu in- ina inb ine ini inm inn ino inr int inu io- ioa iob ioe ioi iom ion ioo ior iot iou ir- ira irb ire iri irm irn iro irr irt iru ita itb ite iti itm itn ito itt itu iu- iua iub iue iui ium iur iut m-o m-r maa mab mae mai mam man mao mar mat mau mba mbb mbe mbi mbm mbo mbr mbt mbu mea meb mee mei mem men meo mer met meu mi- mia mib mie mii mim min mio mir mit miu mma mmb mme mmi mmm mmn mmo mmr mmt mmu mna mnb mne mni mnm mnn mno mnr mnt mnu moa mob moe moi mom mon moo mor mot mou mra mrb mre mri mrm mrn mro mrr mrt mru mta mtb mte mti mtm mtn mto mtr mtt mtu mua mub mue mui mum mun mur mut muu n-i naa nab nae nai nam nan nao nar nat nau nba nbb nbe nbi nbm nbn nbo nbr nbt nbu ne- nea neb nee nei nem nen neo ner net neu nia nib nie nii nim nin nio nir nit niu nma nmb nme nmi nmm nmn nmo nmr nmt nmu nna nnb nne nni nnm nnn nno nnt nnu no- noa nob noe noi nom non noo nor not nou nra nrb nre nri nrm nrn nro nrr nrt nru nta ntb nte nti ntm ntn nto ntr ntt ntu nua nub nue nui num nun nuo nur nut nuu o-i oaa oab oae oai oam oan oao oar oat oau ob- oba obb obe obi obm obn obo obr obt obu oea oeb oee oei oem oen oeo oer oet oia oib oie oii oim oin oio oir oit oiu om- oma omb ome omi omm omn omo omr omt omu on- ona onb one oni onn ono onr ont onu oo- ooa oob ooi oom oon ooo oor oot or- ora orb ore ori orm orn oro orr ort oru ot- ota otb ote oti otm otn oto otr ott otu ou- oua oue oui oum oun ouo our out ra- raa rab rae rai ram ran rao rar rat rau rba rbb rbe rbi rbm rbn rbo rbr rbt rbu re- rea reb ree rei rem ren reo rer ret reu ria rib rie rii rim rin rio rir rit rma rmb rme rmi rmm rmn rmo rmr rmt rna rnb rni rnm rnn rno rnr rnt rnu roa rob roe roi rom ron roo ror rot rou rra rrb rri rrm rrn rrr rrt rru rta rtb rte rti rtm rtn rto rtr rtt rtu rua rub rue rui rum run ruo rur rut ruu taa tab tae tai tam tan tao tar tat tau tba tbb tbe tbi tbm tbn tbo tbr tbt tbu te- tea teb tee tei tem ten teo ter tet teu tia tib tie tii tim tin tio tir tit tiu tma tmb tme tmi tmm tmn tmo tmr tmt tmu tna tnb tne tni tnm tnn tno tnr tnt to- toa tob toe toi tom ton too tor tot tou tra trb tre tri trm trn tro trr trt tru tta ttb tte tti ttm ttn tto ttr ttt ttu tua tub tue tui tum tun tuo tur tut tuu ua- uaa uab uae uai uam uan uao uar uat uau uba ubb ube ubi ubn ubo ubr ubt ubu uea ueb uee uei uem uen uer uet uia uib uie uii uim uin uio uir uit uiu um- uma umb ume umi umm umn umo umr umt umu un- una unb une uni unm unn uno unr unt unu uoa uob uoe uom uon uoo uor uot ur- ura urb ure uri urm urn uro urr urt uru uta utb ute uti utm utn uto utr