-al -er -ic -ol -up a-a a-b a-c a-i aaa aab aac aae aai aal aao aap aar aas aau aax ab- aba abb abc abe abi abl abo abp abr abs abu abx ac- aca acb acc ace aci acl aco acp acr acs acu acx aea aeb aec aee aei ael aeo aep aer aes aeu aex ai- aia aib aic aie aii ail aio aip air ais aiu aix al- ala alb alc ale ali all alo alp alr als alu alx aoa aob aoc aoe aoi aol aoo aop aor aos aou aox ap- apa apb apc ape api apl apo app apr aps apu apx ar- ara arb arc are ari arl aro arp arr ars aru arx as- asa asb asc ase asi asl aso asp asr ass asu asx au- aua aub auc aue aui aul auo aup aur aus aux ax- axa axe axi axl axo axp axr axs axx b-p b-u baa bab bac bae bai bal bao bap bar bas bau bax bba bbb bbc bbe bbi bbl bbo bbp bbr bbs bbu bbx bca bcb bcc bce bci bcl bco bcp bcr bcs bcu bcx be- bea beb bec bee bei bel beo bep ber bes beu bex bi- bia bib bic bie bii bil bio bip bir bis biu bix bla blb blc ble bli bll blo blp blr bls blu blx boa bob boc boe boi bol boo bop bor bos bou box bpa bpb bpc bpe bpi bpl bpo bpp bpr bps bpu bpx bra brb bre bri brl bro brp brr brs bru brx bsa bsb bsc bse bsi bsl bso bsp bsr bss bsu bsx bua bub buc bue bui bul buo bup bur bus buu bux bxb bxi bxl bxo bxx c-- caa cab cac cae cai cal cao cap car cas cau cax cba cbb cbc cbe cbi cbl cbo cbp cbr cbs cbu cbx cca ccb ccc cce cci ccl cco ccp ccr ccs ccu ccx ce- cea ceb cec cee cei cel ceo cep cer ces ceu cex ci- cia cib cic cie cii cil cio cip cir cis ciu cix cl- cla clb clc cle cli cll clo clp clr cls clu clx co- coa cob coc coe coi col coo cop cor cos cou cox cpa cpb cpc cpe cpi cpl cpo cpp cpr cps cpu cpx cra crb crc cre cri crl cro crp crr crs cru crx csa csb csc cse csi csl cso csp csr css csu csx cua cub cuc cue cui cul cuo cup cur cus cuu cxc cxi cxl cxo cxp cxr cxs cxx eaa eab eac eae eai eal eao eap ear eas eau eax eba ebb ebc ebe ebi ebl ebo ebp ebr ebs ebu ebx ec- eca ecb ecc ece eci ecl eco ecr ecs ecu ecx eea eeb eec eee eel eeo eep eer ees eex eia eib eic eie eii eil eio eip eir eis eiu eix ela elb elc ele eli ell elo elp elr els elu elx eo- eoa eob eoc eoe eoi eol eoo eop eor eos eou ep- epa epb epc epe epi epl epo epp epr eps epu epx era erb erc ere eri erl ero erp err ers eru es- esa esb esc ese esi esl eso esp esr ess esu esx eu- eua eub euc eue eui eul eup eur eus eux ex- exa exc exe exi exl exo exp exr exs exu exx ia- iaa iab iac iae iai ial iao iap iar ias iau iba ibb ibc ibe ibi ibl ibo ibp ibr ibs ibu ibx ica icb icc ice ici icl ico icp icr ics icu ie- iea iec iee iei iel iep ier ies iex iia iib iic iie iii iil iio iip iir iis iiu iix il- ila ilb ilc ile ili ill ilo ilp ilr ils ilu ilx io- ioa iob ioc ioe ioi iol ioo iop ior ios iou ipa ipb ipc ipe ipi ipl ipo ipp ipr ips ipu ipx ir- ira irb irc ire iri irl iro irp irr irs iru irx is- isa isb isc ise isi isl iso isp isr iss isu iu- iua iub iuc iue iui iup iur ius ixc ixe ixi ixl l-p la- laa lab lac lae lai lal lao lap lar las lau lax lba lbb lbc lbe lbi lbl lbo lbp lbr lbs lbu lbx lca lcb lcc lce lci lcl lco lcp lcr lcs lcu lcx lea leb lec lee lei lel leo lep ler les leu lex lia lib lic lie lii lil lio lip lir lis liu lix lla llb llc lle lli lll llo llp llr lls llu loa lob loc loe loi lol loo lop lor los lou lox lpa lpb lpc lpe lpi lpl lpo lpp lpr lps lpu lpx 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 lux lxc lxi lxo lxr lxx o-i oaa oab oac oae oai oal oao oap oar oas oau oax ob- oba obb obc obe obi obl obo obp obr obs obu obx oc- oca ocb occ oci ocl oco ocp ocr ocs ocu ocx oea oeb oec oee oei oel oeo oep oer oes oex 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 oox op- opa opb opc ope opi opl opo opp opr ops opx or- ora orb orc ore ori orl oro orp orr ors oru orx os- osa osb osc ose osi osl oso osp osr oss osu osx ou- oua ouc oue oui oul ouo oup our ous ox- oxa oxb oxc oxi oxo oxx p-p paa pab pac pae pai pal pao pap par pas pau pax pba