-er a-a a-b a-t aaa aab aad aae aag aan aao aar aat aau ab- aba abb abd abe abg abn abo abr abt abu ad- ada adb add ade adg adn ado adr adt adu aea aeb aed aee aeg aen aeo aer aet aeu ag- aga agb agd age agg agn ago agr agt agu an- ana anb and ane ang ann ano anr ant anu aoa aob aod aoe aog aon aoo aor aot aou ar- ara arb ard are arg arn aro arr art aru at- ata atb atd ate atg atn ato atr att atu au- aua aub aud aue aug aun auo aur aut b-u baa bab bad bae bag ban bao bar bat bau bba bbb bbd bbe bbg bbn bbo bbr bbt bbu bda bdb bdd bde bdg bdo bdr bdt bdu be- bea beb bed bee beg ben beo ber bet beu bga bgb bgd bge bgg bgn bgo bgr bgt bgu bna bnb bnd bne bng bnn bno bnr bnt bnu boa bob bod boe bog bon boo bor bot bou bra brb brd bre brg brn bro brr brt bru bta btb btd bte btg btn bto btr btt btu bua bub bud bue bug bun buo bur but buu daa dab dad dae dag dan dao dar dat dau dba dbb dbd dbe dbg dbn dbo dbr dbt dbu dda ddb ddd dde ddg ddn ddo ddr ddt ddu de- dea deb ded dee deg den deo der det deu dga dgd dge dgg dgn dgr dgt dgu dna dnb dnd dne dng dnn dno dnr dnt doa dob dod doe dog don doo dor dot dou dra drb drd dre drg drn dro drr drt dru dta dtb dtd dte dtg dtn dto dtr dtt dtu dua dub dud due dug dun duo dur dut eaa eab ead eae eag ean eao ear eat eau eba ebb ebd ebe ebg ebn ebo ebr ebt ebu ed- eda edb edd ede edg edn edo edr edt edu eea eeb eed eee eeg een eeo eer eet ega egb egd ege egg egn ego egr egt egu en- ena enb end ene eng enn eno enr ent enu eo- eoa eob eod eoe eog eon eoo eor eot eou era erb erd ere erg ern ero err ert eru eta etb etd ete etg etn eto etr ett etu eu- eua eub eud eue eug eun eur eut g-d gaa gab gad gae gag gan gao gar gat gau gba gbd gbe gbg gbn gbo gbr gbt gbu gda gdb gdd gde gdn gdo gdr gdt gdu ge- gea geb ged gee geg gen geo ger get geu gga ggb ggd ggg ggn ggo ggr ggt ggu gna gnb gnd gne gnn gno gnr gnt gnu goa gob god goe gog gon goo gor got gou gra grb grd gre grg grn gro grr grt gru gta gtb gtd gte gtg gtn gto gtr gtt gtu gu- gua gub gud gue gug gun guo gur gut guu naa nab nad nae nag nan nao nar nat nau nba nbb nbd nbe nbg nbn nbo nbr nbt nbu nda ndb ndd nde ndg ndn ndo ndr ndt ndu ne- nea neb ned nee neg nen neo ner net neu nga ngb ngd nge ngg ngn ngo ngt ngu nna nnb nne nng nnn nno nnt nnu no- noa nob nod noe nog non noo nor not nou nra nrb nrd nre nrg nrn nro nrr nrt nru nta ntb ntd nte ntg ntn nto ntr ntt ntu nua nub nud nue nug nun nuo nur nut nuu oaa oab oad oae oag oan oao oar oat oau ob- oba obb obd obe obg obn obo obr obt obu oda odb odd ode odg odn odo odr odt odu oea oeb oed oee oeg oen oeo oer oet oga ogd oge ogg ogn ogo ogt on- ona onb ond one ong onn ono onr ont onu oo- ooa oob ood oog oon ooo oor oot or- ora orb ord ore org orn oro orr ort oru ot- ota otb otd ote otg otn oto otr ott otu ou- oua oud oue oun ouo our out ra- raa rab rad rae rag ran rao rar rat rau rba rbb rbd rbe rbg rbn rbo rbr rbt rbu rda rdb rdd rde rdg rdn rdo rdr rdt rdu re- rea reb red ree reg ren reo rer ret reu rga rgb rgd rge rgg rgn rgo rgr rgt rna rnb rnd rng rnn rno rnr rnt rnu roa rob rod roe rog ron roo ror rot rou rra rrb rrd rrg rrn rrr rrt rru rta rtb rtd rte rtg rtn rto rtr rtt rtu rua rub rud rue rug run ruo rur rut ruu taa tab tad tae tag tan tao tar tat tau tba tbb tbd tbe tbg tbn tbo tbr tbt tbu tda tdb tdd tde tdg tdn tdo tdr tdt tdu te- tea teb ted tee teg ten teo ter tet teu tga tgb tge tgg tgn tgo tgr tgt tgu tna tnb tnd tne tng tnn tno tnr tnt to- toa tob tod toe tog ton too tor tot tou tra trb trd tre trg trn tro trr trt tru tta ttb ttd tte ttg ttn tto ttr ttt ttu tua tub tud tue tug tun tuo tur tut tuu ua- uaa uab uad uae uag uan uao uar uat uau uba ubb ube ubg ubn ubo ubr ubt ubu uda udb udd ude udg udn udo udr udt udu uea ueb ued uee ueg uen uer uet uga ugb uge ugg ugn ugo ugr ugt ugu un- una unb und une ung unn uno unr unt unu uoa uob uod uoe uog uon uoo uor uot ur- ura urb urd ure urg urn uro urr urt uru uta utb utd ute utn uto utr utt utu uua uue uug uun uur uut uuu