-er -up a-a a-c a-t aaa aac aad aae aap aar aas aat aau ac- aca acc acd ace acp acr acs act acu ad- ada adc add ade adp adr ads adt adu aea aec aed aee aep aer aes aet aeu ap- apa apc apd ape app apr aps apt apu ar- ara arc ard are arp arr ars art aru as- asa asc asd ase asp asr ass ast asu at- ata atc atd ate atp atr ats att atu au- aua auc aud aue aup aur aus aut c-- caa cac cad cae cap car cas cat cau cca ccc ccd cce ccp ccr ccs cct ccu cda cdc cdd cde cdp cdr cds cdt cdu ce- cea cec ced cee cep cer ces cet ceu cpa cpc cpd cpe cpp cpr cps cpt cpu cra crc crd cre crp crr crs crt cru csa csc csd cse csp csr css cst csu cta ctc ctd cte ctp ctr cts ctt ctu cua cuc cud cue cup cur cus cut cuu daa dac dad dae dap dar das dat dau dca dcc dcd dce dcp dcr dcs dct dcu dda ddc ddd dde ddp ddr dds ddt ddu de- dea dec ded dee dep der des det deu dpa dpc dpd dpe dpp dpr dps dpt dpu dra drc drd dre drp drr drs drt dru dsa dsc dsd dse dsp dsr dss dst dsu dta dtc dtd dte dtp dtr dts dtt dtu dua duc dud due dup dur dus dut eaa eac ead eae eap ear eas eat eau ec- eca ecc ecd ece ecr ecs ect ecu ed- eda edc edd ede edp edr eds edt edu eea eec eed eee eep eer ees eet ep- epa epc epd epe epp epr eps ept epu era erc erd ere erp err ers ert eru es- esa esc esd ese esp esr ess est esu eta etc etd ete etp etr ets ett etu eu- eua euc eud eue eup eur eus eut p-p paa pac pad pae pap par pas pat pau pca pcc pcd pce pcp pcr pcs pct pcu pda pdc pdd pde pdp pdr pds pdt pdu pea pec ped pee pep per pes pet peu ppa ppc ppd ppe ppp ppr pps ppt ppu pra prc prd pre prp prr prs prt pru ps- psa psc psd pse psp psr pss pst psu pt- pta ptc ptd pte ptp ptr pts ptt ptu pua puc pud pue pup pur pus put puu ra- raa rac rad rae rap rar ras rat rau rca rcc rcd rce rcp rcr rcs rct rcu rda rdc rdd rde rdp rdr rds rdt rdu re- rea rec red ree rep rer res ret reu rpa rpc rpd rpe rpp rpr rps rpt rpu rra rrc rrd rrp rrr rrs rrt rru rsa rsc rsd rse rsp rsr rss rst rsu rta rtc rtd rte rtp rtr rts rtt rtu rua ruc rud rue rup rur rus rut ruu saa sac sad sae sap sar sas sat sau sca scc scd sce scp scr scs sct scu sda sdc sdd sde sdp sdr sds sdt sdu se- sea sec sed see sep ser ses set seu spa spc spd spe spp spr sps spt spu sr- sra src srd sre srp srr srs srt ss- ssa ssc ssd sse ssp ssr sss sst ssu sta stc std ste stp str sts stt stu sua suc sud sue sup sur sus sut suu taa tac tad tae tap tar tas tat tau tca tcc tcd tce tcp tcr tcs tct tcu tda tdc tdd tde tdp tdr tds tdt tdu te- tea tec ted tee tep ter tes tet teu tpa tpc tpd tpe tpp tpr tps tpt tpu tra trc trd tre trp trr trs trt tru tsa tsc tsd tse tsp tsr tss tst tsu tta ttc ttd tte ttp ttr tts ttt ttu tua tuc tud tue tup tur tus tut tuu ua- uaa uac uad uae uap uar uas uat uau uca ucc ucd uce ucp ucr ucs uct ucu uda udc udd ude udp udr uds udt udu uea uec ued uee uep uer ues uet up- upa upc upd upe upp upr ups upt upu ur- ura urc urd ure urp urr urs urt uru usa usc usd use usp usr uss ust usu uta utc utd ute utp utr uts utt utu uua uuc uue uur uus uut uuu