-er -up a-a a-b a-t aaa aab aad aae aan aao aap aar aat aau ab- aba abb abd abe abn abo abp abr abt abu ad- ada adb add ade adn ado adp adr adt adu aea aeb aed aee aen aeo aep aer aet aeu an- ana anb and ane ann ano anp anr ant anu aoa aob aod aoe aon aoo aop aor aot aou ap- apa apb apd ape apn apo app apr apt apu ar- ara arb ard are arn aro arp arr art aru at- ata atb atd ate atn ato atp atr att atu au- aua aub aud aue aun auo aup aur aut b-p b-u baa bab bad bae ban bao bap bar bat bau bba bbb bbd bbe bbn bbo bbp bbr bbt bbu bda bdb bdd bde bdo bdp bdr bdt bdu be- bea beb bed bee ben beo bep ber bet beu bna bnb bnd bne bnn bno bnp bnr bnt bnu boa bob bod boe bon boo bop bor bot bou bpa bpb bpd bpe bpn bpo bpp bpr bpt bpu bra brb brd bre brn bro brp brr brt bru bta btb btd bte btn bto btp btr btt btu bua bub bud bue bun buo bup bur but buu daa dab dad dae dan dao dap dar dat dau dba dbb dbd dbe dbn dbo dbp dbr dbt dbu dda ddb ddd dde ddn ddo ddp ddr ddt ddu de- dea deb ded dee den deo dep der det deu dna dnb dnd dne dnn dno dnp dnr dnt doa dob dod doe don doo dop dor dot dou dpa dpb dpd dpe dpn dpo dpp dpr dpt dpu dra drb drd dre drn dro drp drr drt dru dta dtb dtd dte dtn dto dtp dtr dtt dtu dua dub dud due dun duo dup dur dut eaa eab ead eae ean eao eap ear eat eau eba ebb ebd ebe ebn ebo ebp ebr ebt ebu ed- eda edb edd ede edn edo edp edr edt edu eea eeb eed eee een eeo eep eer eet en- ena enb end ene enn eno enp enr ent enu eo- eoa eob eod eoe eon eoo eop eor eot eou ep- epa epb epd epe epn epo epp epr ept epu era erb erd ere ern ero erp err ert eru eta etb etd ete etn eto etp etr ett etu eu- eua eub eud eue eun eup eur eut naa nab nad nae nan nao nap nar nat nau nba nbb nbd nbe nbn nbo nbp nbr nbt nbu nda ndb ndd nde ndn ndo ndp ndr ndt ndu ne- nea neb ned nee nen neo nep ner net neu nna nnb nne nnn nno nnp nnt nnu no- noa nob nod noe non noo nop nor not nou npa npb npd npe npn npo npp npr npt npu nra nrb nrd nre nrn nro nrp nrr nrt nru nta ntb ntd nte ntn nto ntp ntr ntt ntu nua nub nud nue nun nuo nup nur nut nuu oaa oab oad oae oan oao oap oar oat oau ob- oba obb obd obe obn obo obp obr obt obu oda odb odd ode odn odo odp odr odt odu oea oeb oed oee oen oeo oep oer oet on- ona onb ond one onn ono onp onr ont onu oo- ooa oob ood oon ooo oop oor oot op- opa opb opd ope opn opo opp opr opt or- ora orb ord ore orn oro orp orr ort oru ot- ota otb otd ote otn oto otp otr ott otu ou- oua oud oue oun ouo oup our out p-p paa pab pad pae pan pao pap par pat pau pba pbb pbd pbe pbn pbo pbp pbr pbt pbu pda pdb pdd pde pdn pdo pdp pdr pdt pdu pea peb ped pee pen peo pep per pet peu pn- pna pnb pnd pne pnn pno pnp pnr pnt pnu poa pob pod poe pon poo pop por pot pou ppa ppb ppd ppe ppn ppo ppp ppr ppt ppu pra prb prd pre prn pro prp prr prt pru pt- pta ptb ptd pte ptn pto ptp ptr ptt ptu pua pub pud pue pun pup pur put puu ra- raa rab rad rae ran rao rap rar rat rau rba rbb rbd rbe rbn rbo rbp rbr rbt rbu rda rdb rdd rde rdn rdo rdp rdr rdt rdu re- rea reb red ree ren reo rep rer ret reu rna rnb rnd rnn rno rnp rnr rnt rnu roa rob rod roe ron roo rop ror rot rou rpa rpb rpd rpe rpn rpo rpp rpr rpt rpu rra rrb rrd rrn rrp rrr rrt rru rta rtb rtd rte rtn rto rtp rtr rtt rtu rua rub rud rue run ruo rup rur rut ruu taa tab tad tae tan tao tap tar tat tau tba tbb tbd tbe tbn tbo tbp tbr tbt tbu tda tdb tdd tde tdn tdo tdp tdr tdt tdu te- tea teb ted tee ten teo tep ter tet teu tna tnb tnd tne tnn tno tnp tnr tnt to- toa tob tod toe ton too top tor tot tou tpa tpb tpd tpe tpn tpo tpp tpr tpt tpu tra trb trd tre trn tro trp trr trt tru tta ttb ttd tte ttn tto ttp ttr ttt ttu tua tub tud tue tun tuo tup tur tut tuu ua- uaa uab uad uae uan uao uap uar uat uau uba ubb ube ubn ubo ubp ubr ubt ubu uda udb udd ude udn udo udp udr udt udu uea ueb ued uee uen uep uer uet un- una unb und une unn uno unp unr unt unu uoa uob uod uoe uon uoo uop uor uot up- upa upb upd upe upn upo upp upr upt upu ur- ura urb urd ure urn uro urp urr urt uru uta utb utd