-er -up a-a a-b a-i aaa aab aad aae aai aao aap aar aas aau ab- aba abb abd abe abi abo abp abr abs abu ad- ada adb add ade adi ado adp adr ads adu aea aeb aed aee aei aeo aep aer aes aeu ai- aia aib aid aie aii aio aip air ais aiu aoa aob aod aoe aoi aoo aop aor aos aou ap- apa apb apd ape api apo app apr aps apu ar- ara arb ard are ari aro arp arr ars aru as- asa asb asd ase asi aso asp asr ass asu au- aua aub aud aue aui auo aup aur aus b-p b-u baa bab bad bae bai bao bap bar bas bau bba bbb bbd bbe bbi bbo bbp bbr bbs bbu bda bdb bdd bde bdi bdo bdp bdr bds bdu be- bea beb bed bee bei beo bep ber bes beu bi- bia bib bid bie bii bio bip bir bis biu boa bob bod boe boi boo bop bor bos bou bpa bpb bpd bpe bpi bpo bpp bpr bps bpu bra brb brd bre bri bro brp brr brs bru bsa bsb bsd bse bsi bso bsp bsr bss bsu bua bub bud bue bui buo bup bur bus buu daa dab dad dae dai dao dap dar das dau dba dbb dbd dbe dbi dbo dbp dbr dbs dbu dda ddb ddd dde ddi ddo ddp ddr dds ddu de- dea deb ded dee dei deo dep der des deu di- dia dib did die dii dio dip dir dis diu doa dob dod doe doi doo dop dor dos dou dpa dpb dpd dpe dpi dpo dpp dpr dps dpu dra drb drd dre dri dro drp drr drs dru dsa dsb dsd dse dsi dso dsp dsr dss dsu dua dub dud due dui duo dup dur dus eaa eab ead eae eai eao eap ear eas eau eba ebb ebd ebe ebi ebo ebp ebr ebs ebu ed- eda edb edd ede edi edo edp edr eds edu eea eeb eed eee eeo eep eer ees eia eib eid eie eii eio eip eir eis eiu eo- eoa eob eod eoe eoi eoo eop eor eos eou ep- epa epb epd epe epi epo epp epr eps epu era erb erd ere eri ero erp err ers eru es- esa esb esd ese esi eso esp esr ess esu eu- eua eub eud eue eui eup eur eus i-d ia- iaa iab iad iae iai iao iap iar ias iau iba ibb ibd ibe ibi ibo ibp ibr ibs ibu ida idb idd ide idi ido idp idr ids idu ie- iea ied iee iei iep ier ies iia iib iid iie iii iio iip iir iis iiu io- ioa iob iod ioe ioi ioo iop ior ios iou ipa ipb ipd ipe ipi ipo ipp ipr ips ipu ir- ira irb ird ire iri iro irp irr irs iru is- isa isb isd ise isi iso isp isr iss isu iu- iua iub iud iue iui iup iur ius o-i oaa oab oad oae oai oao oap oar oas oau ob- oba obb obd obe obi obo obp obr obs obu oda odb odd ode odi odo odp odr ods odu oea oeb oed oee oei oeo oep oer oes oia oib oid oie oii oio oip oir ois oiu oo- ooa oob ood ooi ooo oop oor oos op- opa opb opd ope opi opo opp opr ops or- ora orb ord ore ori oro orp orr ors oru os- osa osb osd ose osi oso osp osr oss osu ou- oua oud oue oui ouo oup our ous p-p paa pab pad pae pai pao pap par pas pau pba pbb pbd pbe pbi pbo pbp pbr pbs pbu pda pdb pdd pde pdi pdo pdp pdr pds pdu pea peb ped pee pei peo pep per pes peu pia pib pid pie pii pio pip pir pis piu poa pob pod poe poi poo pop por pos pou ppa ppb ppd ppe ppi ppo ppp ppr pps ppu pra prb prd pre pri pro prp prr prs pru ps- psa psb psd pse psi pso psp psr pss psu pua pub pud pue pui pup pur pus puu ra- raa rab rad rae rai rao rap rar ras rau rba rbb rbd rbe rbi rbo rbp rbr rbs rbu rda rdb rdd rde rdi rdo rdp rdr rds rdu re- rea reb red ree rei reo rep rer res reu ria rib rid rie rii rio rip rir ris roa rob rod roe roi roo rop ror ros rou rpa rpb rpd rpe rpi rpo rpp rpr rps rpu rra rrb rrd rri rrp rrr rrs rru rsa rsb rsd rse rsi rso rsp rsr rss rsu rua rub rud rue rui ruo rup rur rus ruu saa sab sad sae sai sao sap sar sas sau sba sbb sbd sbe sbi sbo sbp sbr sbs sbu sda sdb sdd sde sdi sdo sdp sdr sds sdu se- sea seb sed see sei seo sep ser ses seu sia sib sid sie sii sio sip sir sis siu soa sob sod soe soi soo sop sor sos sou spa spb spd spe spi spo spp spr sps spu sr- sra srb srd sre sri sro srp srr srs ss- ssa ssb ssd sse ssi sso ssp ssr sss ssu sua sub sud sue sui suo sup sur sus suu ua- uaa uab uad uae uai uao uap uar uas uau uba ubb ube ubi ubo ubp ubr ubs ubu uda udb udd ude udi udo udp udr uds udu uea ueb ued uee uei uep uer ues uia uib uid uie uii uio uip uir uis uiu uoa uob uod uoe uoo uop uor uos up- upa upb upd upe upi upo upp upr ups upu ur- ura urb urd ure uri uro urp urr urs uru