-al -er -ol a-a a-b a-i a-t aaa aab aae aai aal aao aar aas aat aau aax ab- aba abb abe abi abl abo abr abs abt abu abx aea aeb aee aei ael aeo aer aes aet aeu aex ai- aia aib aie aii ail aio air ais ait aiu aix al- ala alb ale ali all alo alr als alt alu alx aoa aob aoe aoi aol aoo aor aos aot aou aox ar- ara arb are ari arl aro arr ars art aru arx as- asa asb ase asi asl aso asr ass ast asu asx at- ata atb ate ati atl ato atr ats att atu atx au- aua aub aue aui aul auo aur aus aut aux ax- axa axe axi axl axo axr axs axt axx b-u baa bab bae bai bal bao bar bas bat bau bax bba bbb bbe bbi bbl bbo bbr bbs bbt bbu bbx be- bea beb bee bei bel beo ber bes bet beu bex bi- bia bib bie bii bil bio bir bis bit biu bix bla blb ble bli bll blo blr bls blt blu blx boa bob boe boi bol boo bor bos bot bou box bra brb bre bri brl bro brr brs brt bru brx bsa bsb bse bsi bsl bso bsr bss bst bsu bsx bta btb bte bti btl bto btr bts btt btu btx bua bub bue bui bul buo bur bus but buu bux bxb bxi bxl bxo bxx eaa eab eae eai eal eao ear eas eat eau eax eba ebb ebe ebi ebl ebo ebr ebs ebt ebu ebx eea eeb eee eel eeo eer ees eet eex eia eib eie eii eil eio eir eis eit eiu eix ela elb ele eli ell elo elr els elt elu elx eo- eoa eob eoe eoi eol eoo eor eos eot eou era erb ere eri erl ero err ers ert eru es- esa esb ese esi esl eso esr ess est esu esx eta etb ete eti etl eto etr ets ett etu etx eu- eua eub eue eui eul eur eus eut eux ex- exa exe exi exl exo exr exs ext exu exx ia- iaa iab iae iai ial iao iar ias iat iau iba ibb ibe ibi ibl ibo ibr ibs ibt ibu ibx ie- iea iee iei iel ier ies iet iex iia iib iie iii iil iio iir iis iit iiu iix il- ila ilb ile ili ill ilo ilr ils ilt ilu ilx io- ioa iob ioe ioi iol ioo ior ios iot iou ir- ira irb ire iri irl iro irr irs irt iru irx is- isa isb ise isi isl iso isr iss ist isu ita itb ite iti itl ito its itt itu itx iu- iua iub iue iui iur ius iut ixe ixi ixl la- laa lab lae lai lal lao lar las lat lau lax lba lbb lbe lbi lbl lbo lbr lbs lbt lbu lbx lea leb lee lei lel leo ler les let leu lex lia lib lie lii lil lio lir lis lit liu lix lla llb lle lli lll llo llr lls llt llu loa lob loe loi lol loo lor los lot lou lox lra lrb lri lro lrr lrs lrt lru lsa lsb lse lsi lsl lso lsr lss lst lsu lta ltb lte lti ltl lto ltr lts ltt ltu ltx lua lub lue lui lul luo lur lus lut luu lux lxi lxo lxr lxx o-i oaa oab oae oai oal oao oar oas oat oau oax ob- oba obb obe obi obl obo obr obs obt obu obx oea oeb oee oei oel oeo oer oes oet oex oia oib oie oii oil oio oir ois oit oiu ola olb ole oli oll olo ols olt olu oo- ooa oob ooi ool ooo oor oos oot oox or- ora orb ore ori orl oro orr ors ort oru orx os- osa osb ose osi osl oso osr oss ost osu osx ot- ota otb ote oti otl oto otr ots ott otu ou- oua oue oui oul ouo our ous out ox- oxa oxb oxi oxo oxt oxx ra- raa rab rae rai ral rao rar ras rat rau rax rba rbb rbe rbi rbl rbo rbr rbs rbt rbu rbx re- rea reb ree rei rel reo rer res ret reu rex ria rib rie rii ril rio rir ris rit rix rla rle rli rll rlo rlr rls rlt rlu roa rob roe roi rol roo ror ros rot rou rox rra rrb rri rrl rrr rrs rrt rru rsa rsb rse rsi rsl rso rsr rss rst rsu rsx rta rtb rte rti rtl rto rtr rts rtt rtu rtx rua rub rue rui ruo rur rus rut ruu rux rxr rxs saa sab sae sai sal sao sar sas sat sau sax sba sbb sbe sbi sbl sbo sbr sbs sbt sbu sbx se- sea seb see sei sel seo ser ses set seu sex sia sib sie sii sil sio sir sis sit siu six sla slb sle sli sll slo slr sls slt slu slx soa sob soe soi sol soo sor sos sot sou sox sr- sra srb sre sri srl sro srr srs srt srx ss- ssa ssb sse ssi ssl sso ssr sss sst ssu ssx sta stb ste sti stl sto str sts stt stu stx sua sub sue sui sul suo sur sus sut suu sux sxi sxl sxs sxt sxu t-x taa tab tae tai tal tao tar tas tat tau tax tba tbb tbe tbi tbl tbo tbr tbs tbt tbu te- tea teb tee tei tel teo ter tes tet teu tex tia tib tie tii til tio tir tis tit tiu tix tla tle tli tll tlo tlr tls tlt tlu tlx to- toa tob toe toi tol too tor tos tot tou tox tra trb tre tri trl tro trr