-er -up a-a a-b aaa aab aad aae aap aar aas aau aax ab- aba abb abd abe abp abr abs abu abx ad- ada adb add ade adp adr ads adu adx aea aeb aed aee aep aer aes aeu aex ap- apa apb apd ape app apr aps apu apx ar- ara arb ard are arp arr ars aru arx as- asa asb asd ase asp asr ass asu asx au- aua aub aud aue aup aur aus aux ax- axa axe axp axr axs axx b-p b-u baa bab bad bae bap bar bas bau bax bba bbb bbd bbe bbp bbr bbs bbu bbx bda bdb bdd bde bdp bdr bds bdu bdx be- bea beb bed bee bep ber bes beu bex bpa bpb bpd bpe bpp bpr bps bpu bpx bra brb brd bre brp brr brs bru brx bsa bsb bsd bse bsp bsr bss bsu bsx bua bub bud bue bup bur bus buu bux bxb bxd bxx daa dab dad dae dap dar das dau dax dba dbb dbd dbe dbp dbr dbs dbu dbx dda ddb ddd dde ddp ddr dds ddu ddx de- dea deb ded dee dep der des deu dex dpa dpb dpd dpe dpp dpr dps dpu dra drb drd dre drp drr drs dru drx dsa dsb dsd dse dsp dsr dss dsu dsx dua dub dud due dup dur dus dux dxd dxp dxr dxs dxx eaa eab ead eae eap ear eas eau eax eba ebb ebd ebe ebp ebr ebs ebu ebx ed- eda edb edd ede edp edr eds edu edx eea eeb eed eee eep eer ees eex ep- epa epb epd epe epp epr eps epu epx era erb erd ere erp err ers eru es- esa esb esd ese esp esr ess esu esx eu- eua eub eud eue eup eur eus eux ex- exa exd exe exp exr exs exu exx p-p paa pab pad pae pap par pas pau pax pba pbb pbd pbe pbp pbr pbs pbu pbx pda pdb pdd pde pdp pdr pds pdu pdx pea peb ped pee pep per pes peu pex ppa ppb ppd ppe ppp ppr pps ppu ppx pra prb prd pre prp prr prs pru prx ps- psa psb psd pse psp psr pss psu psx pua pub pud pue pup pur pus puu pxe pxr pxs ra- raa rab rad rae rap rar ras rau rax rba rbb rbd rbe rbp rbr rbs rbu rbx rda rdb rdd rde rdp rdr rds rdu rdx re- rea reb red ree rep rer res reu rex rpa rpb rpd rpe rpp rpr rps rpu rpx rra rrb rrd rrp rrr rrs rru rsa rsb rsd rse rsp rsr rss rsu rsx rua rub rud rue rup rur rus ruu rux rxp rxr rxs saa sab sad sae sap sar sas sau sax sba sbb sbd sbe sbp sbr sbs sbu sbx sda sdb sdd sde sdp sdr sds sdu se- sea seb sed see sep ser ses seu sex spa spb spd spe spp spr sps spu spx sr- sra srb srd sre srp srr srs srx ss- ssa ssb ssd sse ssp ssr sss ssu ssx sua sub sud sue sup sur sus suu sux sxs sxu ua- uaa uab uad uae uap uar uas uau uba ubb ube ubp ubr ubs ubu ubx uda udb udd ude udp udr uds udu udx uea ueb ued uee uep uer ues up- upa upb upd upe upp upr ups upu upx ur- ura urb urd ure urp urr urs uru urx usa usb usd use usp usr uss usu usx uua uue uur uus uuu uxb uxr uxu xaa xad xap xar xas xau xbe xbr xbx xda xdb xde xdr xds xed xee xep xer xes xeu xex xpa xpb xpd xpe xpp xps xrd xrx xsa xsb xsp xss xue xup xus xxp xxx