-al -er -ic -ol -up a-a a-b a-c a-i aaa aab aac aae aai aal aao aap aar aas aau ab- aba abb abc abe abi abl abo abp abr abs abu ac- aca acb acc ace aci acl aco acp acr acs acu aea aeb aec aee aei ael aeo aep aer aes aeu ai- aia aib aic aie aii ail aio aip air ais aiu al- ala alb alc ale ali all alo alp alr als alu aoa aob aoc aoe aoi aol aoo aop aor aos aou ap- apa apb apc ape api apl apo app apr aps apu ar- ara arb arc are ari arl aro arp arr ars aru as- asa asb asc ase asi asl aso asp asr ass asu au- aua aub auc aue aui aul auo aup aur aus b-p b-u baa bab bac bae bai bal bao bap bar bas bau bba bbb bbc bbe bbi bbl bbo bbp bbr bbs bbu bca bcb bcc bce bci bcl bco bcp bcr bcs bcu be- bea beb bec bee bei bel beo bep ber bes beu bi- bia bib bic bie bii bil bio bip bir bis biu bla blb blc ble bli bll blo blp blr bls blu boa bob boc boe boi bol boo bop bor bos bou bpa bpb bpc bpe bpi bpl bpo bpp bpr bps bpu bra brb bre bri brl bro brp brr brs bru bsa bsb bsc bse bsi bsl bso bsp bsr bss bsu bua bub buc bue bui bul buo bup bur bus buu c-- caa cab cac cae cai cal cao cap car cas cau cba cbb cbc cbe cbi cbl cbo cbp cbr cbs cbu cca ccb ccc cce cci ccl cco ccp ccr ccs ccu ce- cea ceb cec cee cei cel ceo cep cer ces ceu ci- cia cib cic cie cii cil cio cip cir cis ciu cl- cla clb clc cle cli cll clo clp clr cls clu co- coa cob coc coe coi col coo cop cor cos cou cpa cpb cpc cpe cpi cpl cpo cpp cpr cps cpu cra crb crc cre cri crl cro crp crr crs cru csa csb csc cse csi csl cso csp csr css csu cua cub cuc cue cui cul cuo cup cur cus cuu eaa eab eac eae eai eal eao eap ear eas eau eba ebb ebc ebe ebi ebl ebo ebp ebr ebs ebu ec- eca ecb ecc ece eci ecl eco ecr ecs ecu eea eeb eec eee eel eeo eep eer ees eia eib eic eie eii eil eio eip eir eis eiu ela elb elc ele eli ell elo elp elr els elu eo- eoa eob eoc eoe eoi eol eoo eop eor eos eou ep- epa epb epc epe epi epl epo epp epr eps epu era erb erc ere eri erl ero erp err ers eru es- esa esb esc ese esi esl eso esp esr ess esu eu- eua eub euc eue eui eul eup eur eus ia- iaa iab iac iae iai ial iao iap iar ias iau iba ibb ibc ibe ibi ibl ibo ibp ibr ibs ibu ica icb icc ice ici icl ico icp icr ics icu ie- iea iec iee iei iel iep ier ies iia iib iic iie iii iil iio iip iir iis iiu il- ila ilb ilc ile ili ill ilo ilp ilr ils ilu io- ioa iob ioc ioe ioi iol ioo iop ior ios iou ipa ipb ipc ipe ipi ipl ipo ipp ipr ips ipu ir- ira irb irc ire iri irl iro irp irr irs iru is- isa isb isc ise isi isl iso isp isr iss isu iu- iua iub iuc iue iui iup iur ius l-p la- laa lab lac lae lai lal lao lap lar las lau lba lbb lbc lbe lbi lbl lbo lbp lbr lbs lbu lca lcb lcc lce lci lcl lco lcp lcr lcs lcu lea leb lec lee lei lel leo lep ler les leu lia lib lic lie lii lil lio lip lir lis liu lla llb llc lle lli lll llo llp llr lls llu loa lob loc loe loi lol loo lop lor los lou lpa lpb lpc lpe lpi lpl lpo lpp lpr lps lpu lra lrb lrc lri lro lrp lrr lrs lru lsa lsb lsc lse lsi lsl lso lsp lsr lss lsu lua lub luc lue lui lul luo lup lur lus luu o-i oaa oab oac oae oai oal oao oap oar oas oau ob- oba obb obc obe obi obl obo obp obr obs obu oc- oca ocb occ oci ocl oco ocp ocr ocs ocu oea oeb oec oee oei oel oeo oep oer oes oia oib oic oie oii oil oio oip oir ois oiu ola olb olc ole oli oll olo olp ols olu oo- ooa oob ooc ooi ool ooo oop oor oos op- opa opb opc ope opi opl opo opp opr ops or- ora orb orc ore ori orl oro orp orr ors oru os- osa osb osc ose osi osl oso osp osr oss osu ou- oua ouc oue oui oul ouo oup our ous p-p paa pab pac pae pai pal pao pap par pas pau pba pbb pbc pbe pbi pbl pbo pbp pbr pbs pbu pca pcb pcc pce pci pcl pco pcp pcr pcs pcu pea peb pec pee pei pel peo pep per pes peu pia pib pic pie pii pil pio pip pir pis piu pla plb plc ple pli pll plo plp plr pls plu poa pob poc poe poi pol poo pop por pos pou ppa ppb ppc ppe ppi ppl ppo ppp ppr pps ppu pra prb prc pre pri prl pro prp prr prs pru ps- psa psb psc pse psi psl pso psp psr pss psu pua pub puc pue pui pul pup pur pus puu ra- raa rab rac rae rai