-er -up a-a a-b a-i aaa aab aad aae aai aap aar aas aau ab- aba abb abd abe abi abp abr abs abu ad- ada adb add ade adi adp adr ads adu aea aeb aed aee aei aep aer aes aeu ai- aia aib aid aie aii aip air ais aiu ap- apa apb apd ape api app apr aps apu ar- ara arb ard are ari arp arr ars aru as- asa asb asd ase asi asp asr ass asu au- aua aub aud aue aui aup aur aus b-p b-u baa bab bad bae bai bap bar bas bau bba bbb bbd bbe bbi bbp bbr bbs bbu bda bdb bdd bde bdi bdp bdr bds bdu be- bea beb bed bee bei bep ber bes beu bi- bia bib bid bie bii bip bir bis biu bpa bpb bpd bpe bpi bpp bpr bps bpu bra brb brd bre bri brp brr brs bru bsa bsb bsd bse bsi bsp bsr bss bsu bua bub bud bue bui bup bur bus buu daa dab dad dae dai dap dar das dau dba dbb dbd dbe dbi dbp dbr dbs dbu dda ddb ddd dde ddi ddp ddr dds ddu de- dea deb ded dee dei dep der des deu di- dia dib did die dii dip dir dis diu dpa dpb dpd dpe dpi dpp dpr dps dpu dra drb drd dre dri drp drr drs dru dsa dsb dsd dse dsi dsp dsr dss dsu dua dub dud due dui dup dur dus eaa eab ead eae eai eap ear eas eau eba ebb ebd ebe ebi ebp ebr ebs ebu ed- eda edb edd ede edi edp edr eds edu eea eeb eed eee eep eer ees eia eib eid eie eii eip eir eis eiu ep- epa epb epd epe epi epp epr eps epu era erb erd ere eri erp err ers eru es- esa esb esd ese esi esp esr ess esu eu- eua eub eud eue eui eup eur eus i-d ia- iaa iab iad iae iai iap iar ias iau iba ibb ibd ibe ibi ibp ibr ibs ibu ida idb idd ide idi idp idr ids idu ie- iea ied iee iei iep ier ies iia iib iid iie iii iip iir iis iiu ipa ipb ipd ipe ipi ipp ipr ips ipu ir- ira irb ird ire iri irp irr irs iru is- isa isb isd ise isi isp isr iss isu iu- iua iub iud iue iui iup iur ius p-p paa pab pad pae pai pap par pas pau pba pbb pbd pbe pbi pbp pbr pbs pbu pda pdb pdd pde pdi pdp pdr pds pdu pea peb ped pee pei pep per pes peu pia pib pid pie pii pip pir pis piu ppa ppb ppd ppe ppi ppp ppr pps ppu pra prb prd pre pri prp prr prs pru ps- psa psb psd pse psi psp psr pss psu pua pub pud pue pui pup pur pus puu ra- raa rab rad rae rai rap rar ras rau rba rbb rbd rbe rbi rbp rbr rbs rbu rda rdb rdd rde rdi rdp rdr rds rdu re- rea reb red ree rei rep rer res reu ria rib rid rie rii rip rir ris rpa rpb rpd rpe rpi rpp rpr rps rpu rra rrb rrd rri rrp rrr rrs rru rsa rsb rsd rse rsi rsp rsr rss rsu rua rub rud rue rui rup rur rus ruu saa sab sad sae sai sap sar sas sau sba sbb sbd sbe sbi sbp sbr sbs sbu sda sdb sdd sde sdi sdp sdr sds sdu se- sea seb sed see sei sep ser ses seu sia sib sid sie sii sip sir sis siu spa spb spd spe spi spp spr sps spu sr- sra srb srd sre sri srp srr srs ss- ssa ssb ssd sse ssi ssp ssr sss ssu sua sub sud sue sui sup sur sus suu ua- uaa uab uad uae uai uap uar uas uau uba ubb ube ubi ubp ubr ubs ubu uda udb udd ude udi udp udr uds udu uea ueb ued uee uei uep uer ues uia uib uid uie uii uip uir uis uiu up- upa upb upd upe upi upp upr ups upu ur- ura urb urd ure uri urp urr urs uru usa usb usd use usi usp usr uss usu uua uue uur uus uuu