-up a-a a-b a-i aaa aab aad aai aao aap aar aas aau ab- aba abb abd abi abo abp abr abs abu ad- ada adb add adi ado adp adr ads adu ai- aia aib aid aii aio aip air ais aiu aoa aob aod aoi aoo aop aor aos aou ap- apa apb apd api apo app apr aps apu ar- ara arb ard ari aro arp arr ars aru as- asa asb asd asi aso asp asr ass asu au- aua aub aud aui auo aup aur aus b-p b-u baa bab bad bai bao bap bar bas bau bba bbb bbd bbi bbo bbp bbr bbs bbu bda bdb bdd bdi bdo bdp bdr bds bdu bi- bia bib bid bii bio bip bir bis biu boa bob bod boi boo bop bor bos bou bpa bpb bpd bpi bpo bpp bpr bps bpu bra brb brd bri bro brp brr brs bru bsa bsb bsd bsi bso bsp bsr bss bsu bua bub bud bui buo bup bur bus buu daa dab dad dai dao dap dar das dau dba dbb dbd dbi dbo dbp dbr dbs dbu dda ddb ddd ddi ddo ddp ddr dds ddu di- dia dib did dii dio dip dir dis diu doa dob dod doi doo dop dor dos dou dpa dpb dpd dpi dpo dpp dpr dps dpu dra drb drd dri dro drp drr drs dru dsa dsb dsd dsi dso dsp dsr dss dsu dua dub dud dui duo dup dur dus i-d ia- iaa iab iad iai iao iap iar ias iau iba ibb ibd ibi ibo ibp ibr ibs ibu ida idb idd idi ido idp idr ids idu iia iib iid iii iio iip iir iis iiu io- ioa iob iod ioi ioo iop ior ios iou ipa ipb ipd ipi ipo ipp ipr ips ipu ir- ira irb ird iri iro irp irr irs iru is- isa isb isd isi iso isp isr iss isu iu- iua iub iud iui iup iur ius o-i oaa oab oad oai oao oap oar oas oau ob- oba obb obd obi obo obp obr obs obu oda odb odd odi odo odp odr ods odu oia oib oid oii oio oip oir ois oiu oo- ooa oob ood ooi ooo oop oor oos op- opa opb opd opi opo opp opr ops or- ora orb ord ori oro orp orr ors oru os- osa osb osd osi oso osp osr oss osu ou- oua oud oui ouo oup our ous p-p paa pab pad pai pao pap par pas pau pba pbb pbd pbi pbo pbp pbr pbs pbu pda pdb pdd pdi pdo pdp pdr pds pdu pia pib pid pii pio pip pir pis piu poa pob pod poi poo pop por pos pou ppa ppb ppd ppi ppo ppp ppr pps ppu pra prb prd pri pro prp prr prs pru ps- psa psb psd psi pso psp psr pss psu pua pub pud pui pup pur pus puu ra- raa rab rad rai rao rap rar ras rau rba rbb rbd rbi rbo rbp rbr rbs rbu rda rdb rdd rdi rdo rdp rdr rds rdu ria rib rid rii rio rip rir ris roa rob rod roi roo rop ror ros rou rpa rpb rpd rpi rpo rpp rpr rps rpu rra rrb rrd rri rrp rrr rrs rru rsa rsb rsd rsi rso rsp rsr rss rsu rua rub rud rui ruo rup rur rus ruu saa sab sad sai sao sap sar sas sau sba sbb sbd sbi sbo sbp sbr sbs sbu sda sdb sdd sdi sdo sdp sdr sds sdu sia sib sid sii sio sip sir sis siu soa sob sod soi soo sop sor sos sou spa spb spd spi spo spp spr sps spu sr- sra srb srd sri sro srp srr srs ss- ssa ssb ssd ssi sso ssp ssr sss ssu sua sub sud sui suo sup sur sus suu ua- uaa uab uad uai uao uap uar uas uau uba ubb ubi ubo ubp ubr ubs ubu uda udb udd udi udo udp udr uds udu uia uib uid uii uio uip uir uis uiu uoa uob uod uoo uop uor uos up- upa upb upd upi upo upp upr ups upu ur- ura urb urd uri uro urp urr urs uru usa usb usd usi uso usp usr uss usu uua uur uus uuu

-ous a-do a-ii aaaa aaab aaad aaai aaap aaar aaas aaba aabb aabd aabi aabp aada aadi aads aadu aaib aaii aais aaoo aapa aapi aapo aaps aara aard aari aaro aarp aars aaru aasa aasd aasi aass aasu aaup aaus abaa abab abad abai abap abar abas abau abb- abba abbb abbi abbo abbr abbs abda abdi abdo abdu abia abib abid abir abis abiu aboa abob abod aboo abor abos abou abpa abpd abpi abpp abpr abps abra abri abro abrs abs- absa absd absi absp abss absu abua abud abus adaa adab adad adai adao adap adar adas adba adbi adda addd addi addo addr adds addu adia adib adio adip adir adis adob adod adoo ador ados adp- adps adra adro adrs adsa adsi adso adsr adss adua adub adur aiai aias aiba aibo aida aidb aidi aidr aids aidu aiia aiib aiid aiir aioi aipa aipi aips aira aird airi airo airp airs aisa aisb aisd aisi aiso aisr aiud aiui aoba aopo aora aorb aors aosd aosp aoss aous apai apao apap apar apas apba apbr apbs apda apdd apds apdu api- apia apid apio apip apis apo- apod apoo apop apor apos apou appa appd appr apps appu apra apri apro aprs apsa apsi apso apss apsu apua apud apup apus arab arad arai arap arar aras arau arba arbi arbs arda ardi ardo ards ardu aria arib arid arii ario arip aris aroa arob arod aroi aroo aror aros arpa arpi arps arpu arr- arra arri arro