-er -ic -up a-a a-b a-c a-i aaa aab aac aad aae aai aao aap aar aas aau ab- aba abb abc abd abe abi abo abp abr abs abu ac- aca acb acc acd ace aci aco acp acr acs acu ad- ada adb adc add ade adi ado adp adr ads adu aea aeb aec aed aee aei aeo aep aer aes aeu ai- aia aib aic aid aie aii aio aip air ais aiu aoa aob aoc aod aoe aoi aoo aop aor aos aou ap- apa apb apc apd ape api apo app apr aps apu ar- ara arb arc ard are ari aro arp arr ars aru as- asa asb asc asd ase asi aso asp asr ass asu au- aua aub auc aud aue aui auo aup aur aus b-p b-u baa bab bac bad bae bai bao bap bar bas bau bba bbb bbc bbd bbe bbi bbo bbp bbr bbs bbu bca bcb bcc bcd bce bci bco bcp bcr bcs bcu bda bdb bdc bdd bde bdi bdo bdp bdr bds bdu be- bea beb bec bed bee bei beo bep ber bes beu bi- bia bib bic bid bie bii bio bip bir bis biu boa bob boc bod boe boi boo bop bor bos bou bpa bpb bpc bpd bpe bpi bpo bpp bpr bps bpu bra brb brd bre bri bro brp brr brs bru bsa bsb bsc bsd bse bsi bso bsp bsr bss bsu bua bub buc bud bue bui buo bup bur bus buu c-- caa cab cac cad cae cai cao cap car cas cau cba cbb cbc cbd cbe cbi cbo cbp cbr cbs cbu cca ccb ccc ccd cce cci cco ccp ccr ccs ccu cda cdb cdc cdd cde cdi cdo cdp cdr cds cdu ce- cea ceb cec ced cee cei ceo cep cer ces ceu ci- cia cib cic cid cie cii cio cip cir cis ciu co- coa cob coc cod coe coi coo cop cor cos cou cpa cpb cpc cpd cpe cpi cpo cpp cpr cps cpu cra crb crc crd cre cri cro crp crr crs cru csa csb csc csd cse csi cso csp csr css csu cua cub cuc cud cue cui cuo cup cur cus cuu daa dab dac dad dae dai dao dap dar das dau dba dbb dbc dbd dbe dbi dbo dbp dbr dbs dbu dca dcb dcc dcd dce dci dco dcp dcr dcs dcu dda ddb ddc ddd dde ddi ddo ddp ddr dds ddu de- dea deb dec ded dee dei deo dep der des deu di- dia dib dic did die dii dio dip dir dis diu doa dob doc dod doe doi doo dop dor dos dou dpa dpb dpc dpd dpe dpi dpo dpp dpr dps dpu dra drb drc drd dre dri dro drp drr drs dru dsa dsb dsc dsd dse dsi dso dsp dsr dss dsu dua dub duc dud due dui duo dup dur dus eaa eab eac ead eae eai eao eap ear eas eau eba ebb ebc ebd ebe ebi ebo ebp ebr ebs ebu ec- eca ecb ecc ecd ece eci eco ecr ecs ecu ed- eda edb edc edd ede edi edo edp edr eds edu eea eeb eec eed eee eeo eep eer ees eia eib eic eid eie eii eio eip eir eis eiu eo- eoa eob eoc eod eoe eoi eoo eop eor eos eou ep- epa epb epc epd epe epi epo epp epr eps epu era erb erc erd ere eri ero erp err ers eru es- esa esb esc esd ese esi eso esp esr ess esu eu- eua eub euc eud eue eui eup eur eus i-d ia- iaa iab iac iad iae iai iao iap iar ias iau iba ibb ibc ibd ibe ibi ibo ibp ibr ibs ibu ica icb icc icd ice ici ico icp icr ics icu ida idb idc idd ide idi ido idp idr ids idu ie- iea iec ied iee iei iep ier ies iia iib iic iid iie iii iio iip iir iis iiu io- ioa iob ioc iod ioe ioi ioo iop ior ios iou ipa ipb ipc ipd ipe ipi ipo ipp ipr ips ipu ir- ira irb irc ird ire iri iro irp irr irs iru is- isa isb isc isd ise isi iso isp isr iss isu iu- iua iub iuc iud iue iui iup iur ius o-i oaa oab oac oad oae oai oao oap oar oas oau ob- oba obb obc obd obe obi obo obp obr obs obu oc- oca ocb occ ocd oci oco ocp ocr ocs ocu oda odb odc odd ode odi odo odp odr ods odu oea oeb oec oed oee oei oeo oep oer oes oia oib oic oid oie oii oio oip oir ois oiu oo- ooa oob ooc ood ooi ooo oop oor oos op- opa opb opc opd ope opi opo opp opr ops or- ora orb orc ord ore ori oro orp orr ors oru os- osa osb osc osd ose osi oso osp osr oss osu ou- oua ouc oud oue oui ouo oup our ous p-p paa pab pac pad pae pai pao pap par pas pau pba pbb pbc pbd pbe pbi pbo pbp pbr pbs pbu pca pcb pcc pcd pce pci pco pcp pcr pcs pcu pda pdb pdc pdd pde pdi pdo pdp pdr pds pdu pea peb pec ped pee pei peo pep per pes peu pia pib pic pid pie pii pio pip pir pis piu poa pob poc pod poe poi poo pop por pos pou ppa ppb ppc ppd ppe ppi ppo ppp ppr pps ppu pra prb prc prd pre pri pro prp prr prs pru ps- psa psb psc psd pse psi pso psp psr pss psu pua pub puc pud pue pui pup pur pus puu ra- raa rab rac rad