-er -up a-a a-b a-t aaa aab aad aae aaf aao aap aar aat aau ab- aba abb abd abe abf abo abp abr abt abu ad- ada adb add ade adf ado adp adr adt adu aea aeb aed aee aef aeo aep aer aet aeu af- afa afb afd afe aff afo afp afr aft afu aoa aob aod aoe aof aoo aop aor aot aou ap- apa apb apd ape apf apo app apr apt apu ar- ara arb ard are arf aro arp arr art aru at- ata atb atd ate atf ato atp atr att atu au- aua aub aud aue auf auo aup aur aut b-p b-u baa bab bad bae baf bao bap bar bat bau bba bbb bbd bbe bbf bbo bbp bbr bbt bbu bda bdb bdd bde bdf bdo bdp bdr bdt bdu be- bea beb bed bee bef beo bep ber bet beu bfa bfb bfd bfe bff bfo bfp bfr bft bfu boa bob bod boe bof boo bop bor bot bou bpa bpb bpd bpe bpf bpo bpp bpr bpt bpu bra brb brd bre brf bro brp brr brt bru bta btb btd bte btf bto btp btr btt btu bua bub bud bue buf buo bup bur but buu daa dab dad dae daf dao dap dar dat dau dba dbb dbd dbe dbf dbo dbp dbr dbt dbu dda ddb ddd dde ddf ddo ddp ddr ddt ddu de- dea deb ded dee def deo dep der det deu dfa dfb dfd dfe dff dfo dfp dfr dft dfu doa dob dod doe dof doo dop dor dot dou dpa dpb dpd dpe dpf dpo dpp dpr dpt dpu dra drb drd dre dro drp drr drt dru dta dtb dtd dte dtf dto dtp dtr dtt dtu dua dub dud due duf duo dup dur dut eaa eab ead eae eaf eao eap ear eat eau eba ebb ebd ebe ebf ebo ebp ebr ebt ebu ed- eda edb edd ede edf edo edp edr edt edu eea eeb eed eee eef eeo eep eer eet ef- efa efb efd efe eff efo efp efr eft eo- eoa eob eod eoe eof eoo eop eor eot eou ep- epa epb epd epe epf epo epp epr ept epu era erb erd ere erf ero erp err ert eru eta etb etd ete etf eto etp etr ett etu eu- eua eub eud eue euf eup eur eut faa fab fad fae faf fao fap far fat fau fba fbb fbd fbe fbf fbo fbp fbr fbt fbu fda fdb fdd fde fdf fdo fdp fdr fdt fdu fea feb fed fee fef feo fep fer fet feu ffa ffd ffe fff ffo ffp ffr fft ffu foa fob foe fof foo fop for fot fou fpa fpb fpd fpe fpo fpp fpr fpt fpu fra frb frd fre frf fro frp frr frt fru fta ftb ftd fte ftf fto ftp ftr ftt ftu fua fub fud fue fuf fuo fup fur fut fuu oaa oab oad oae oaf oao oap oar oat oau ob- oba obb obd obe obf obo obp obr obt obu oda odb odd ode odf odo odp odr odt odu oea oeb oed oee oef oeo oep oer oet of- ofa ofb ofd ofe off ofo ofp ofr oft ofu oo- ooa oob ood oof ooo oop oor oot op- opa opb opd ope opf opo opp opr opt or- ora orb ord ore orf oro orp orr ort oru ot- ota otb otd ote otf oto otp otr ott otu ou- oua oud oue ouf ouo oup our out p-p paa pab pad pae paf pao pap par pat pau pba pbb pbd pbe pbf pbo pbp pbr pbt pbu pda pdb pdd pde pdf pdo pdp pdr pdt pdu pea peb ped pee pef peo pep per pet peu pfa pfb pfd pfe pff pfo pfp pfr pft pfu poa pob pod poe pof poo pop por pot pou ppa ppb ppd ppe ppf ppo ppp ppr ppt ppu pra prb prd pre prf pro prp prr prt pru pt- pta ptb ptd pte ptf pto ptp ptr ptt ptu pua pub pud pue puf pup pur put puu ra- raa rab rad rae raf rao rap rar rat rau rba rbb rbd rbe rbf rbo rbp rbr rbt rbu rda rdb rdd rde rdf rdo rdp rdr rdt rdu re- rea reb red ree ref reo rep rer ret reu rfa rfb rfd rfe rff rfo rfp rfr rft rfu roa rob rod roe rof roo rop ror rot rou rpa rpb rpd rpe rpf rpo rpp rpr rpt rpu rra rrb rrd rrf rrp rrr rrt rru rta rtb rtd rte rtf rto rtp rtr rtt rtu rua rub rud rue ruf ruo rup rur rut ruu taa tab tad tae taf tao tap tar tat tau tba tbb tbd tbe tbf tbo tbp tbr tbt tbu tda tdb tdd tde tdf tdo tdp tdr tdt tdu te- tea teb ted tee tef teo tep ter tet teu tfa tfb tfd tfe tff tfo tfp tfr tft tfu to- toa tob tod toe tof too top tor tot tou tpa tpb tpd tpe tpf tpo tpp tpr tpt tpu tra trb trd tre trf tro trp trr trt tru tta ttb ttd tte ttf tto ttp ttr ttt ttu tua tub tud tue tuf tuo tup tur tut tuu ua- uaa uab uad uae uaf uao uap uar uat uau uba ubb ube ubf ubo ubp ubr ubt ubu uda udb udd ude udf udo udp udr udt udu uea ueb ued uee uef uep uer uet ufa ufd ufe uff ufo ufp ufr uft ufu uoa uob uod uoe uoo uop uor uot up- upa upb upd upe upf upo upp upr upt upu ur- ura urb urd ure urf uro urp urr urt uru uta utb utd ute utf uto utp utr