-er -ey -ic -up a-a a-b a-c a-i aaa aab aac aae aai aao aap aar aas aau aay ab- aba abb abc abe abi abo abp abr abs abu aby ac- aca acb acc ace aci aco acp acr acs acu acy aea aeb aec aee aei aeo aep aer aes aeu aey ai- aia aib aic aie aii aio aip air ais aiu aiy aoa aob aoc aoe aoi aoo aop aor aos aou ap- apa apb apc ape api apo app apr aps apu apy ar- ara arb arc are ari aro arp arr ars aru ary as- asa asb asc ase asi aso asp asr ass asu asy au- aua aub auc aue aui auo aup aur aus ay- aya ayc aye ayi ayo ayp ayr ays ayu b-p b-u baa bab bac bae bai bao bap bar bas bau bay bba bbb bbc bbe bbi bbo bbp bbr bbs bbu bby bca bcb bcc bce bci bco bcp bcr bcs bcu bcy be- bea beb bec bee bei beo bep ber bes beu bey bi- bia bib bic bie bii bio bip bir bis biu biy boa bob boc boe boi boo bop bor bos bou boy bpa bpb bpc bpe bpi bpo bpp bpr bps bpu bpy bra brb bre bri bro brp brr brs bru bry bsa bsb bsc bse bsi bso bsp bsr bss bsu bsy bua bub buc bue bui buo bup bur bus buu buy by- bya byc bye byi byo byp byr bys byu c-- caa cab cac cae cai cao cap car cas cau cay cba cbb cbc cbe cbi cbo cbp cbr cbs cbu cby cca ccb ccc cce cci cco ccp ccr ccs ccu ce- cea ceb cec cee cei ceo cep cer ces ceu cey ci- cia cib cic cie cii cio cip cir cis ciu co- coa cob coc coe coi coo cop cor cos cou coy cpa cpb cpc cpe cpi cpo cpp cpr cps cpu cra crb crc cre cri cro crp crr crs cru cry csa csb csc cse csi cso csp csr css csu csy cua cub cuc cue cui cuo cup cur cus cuu cuy cya cyb cyc cye cyo cyp cyr cys eaa eab eac eae eai eao eap ear eas eau eba ebb ebc ebe ebi ebo ebp ebr ebs ebu eby ec- eca ecb ecc ece eci eco ecr ecs ecu eea eeb eec eee eeo eep eer ees eey eia eib eic eie eii eio eip eir eis eiu eo- eoa eob eoc eoe eoi eoo eop eor eos eou ep- epa epb epc epe epi epo epp epr eps epu era erb erc ere eri ero erp err ers eru ery es- esa esb esc ese esi eso esp esr ess esu esy eu- eua eub euc eue eui eup eur eus eya eyc eye eyo eyp eyr eys ia- iaa iab iac iae iai iao iap iar ias iau iba ibb ibc ibe ibi ibo ibp ibr ibs ibu iby ica icb icc ice ici ico icp icr ics icu icy ie- iea iec iee iei iep ier ies iey iia iib iic iie iii iio iip iir iis iiu io- ioa iob ioc ioe ioi ioo iop ior ios iou ipa ipb ipc ipe ipi ipo ipp ipr ips ipu ipy ir- ira irb irc ire iri iro irp irr irs iru iry is- isa isb isc ise isi iso isp isr iss isu isy iu- iua iub iuc iue iui iup iur ius iya iyc iye iyo iyr iys iyy o-i oaa oab oac oae oai oao oap oar oas oau ob- oba obb obc obe obi obo obp obr obs obu oby oc- oca ocb occ oci oco ocp ocr ocs ocu oea oeb oec oee oei oeo oep oer oes oey oia oib oic oie oii oio oip oir ois oiu oo- ooa oob ooc ooi ooo oop oor oos op- opa opb opc ope opi opo opp opr ops opy or- ora orb orc ore ori oro orp orr ors oru ory os- osa osb osc ose osi oso osp osr oss osu ou- oua ouc oue oui ouo oup our ous oya oye oyi oyo oys p-p paa pab pac pae pai pao pap par pas pau pay pba pbb pbc pbe pbi pbo pbp pbr pbs pbu pby pca pcb pcc pce pci pco pcp pcr pcs pcu pea peb pec pee pei peo pep per pes peu pey pia pib pic pie pii pio pip pir pis piu poa pob poc poe poi poo pop por pos pou poy ppa ppb ppc ppe ppi ppo ppp ppr pps ppu pra prb prc pre pri pro prp prr prs pru pry ps- psa psb psc pse psi pso psp psr pss psu psy pua pub puc pue pui pup pur pus puu puy py- pya pyb pyc pye pyo pyr pys pyu ra- raa rab rac rae rai rao rap rar ras rau ray rba rbb rbc rbe rbi rbo rbp rbr rbs rbu rca rcb rcc rce rci rco rcp rcr rcs rcu re- rea reb rec ree rei reo rep rer res reu rey ria rib ric rie rii rio rip rir ris riy roa rob roc roe roi roo rop ror ros rou roy rpa rpb rpc rpe rpi rpo rpp rpr rps rpu rra rrb rrc rri rrp rrr rrs rru rsa rsb rsc rse rsi rso rsp rsr rss rsu rua rub ruc rue rui ruo rup rur rus ruu ruy ry- rya ryc rye ryo ryr rys ryu ryy saa sab sac sae sai sao sap sar sas sau say sba sbb sbc sbe sbi sbo sbp sbr sbs sbu sby sca scb scc sce sci sco scp scr scs scu se- sea seb sec see sei seo sep ser ses seu sey sia sib sic sie sii sio sip sir sis siu soa sob soc soe soi soo sop