-al -er -ol a-a a-b a-i a-t aaa aab aae aai aal aao aar aas aat aau ab- aba abb abe abi abl abo abr abs abt abu aea aeb aee aei ael aeo aer aes aet aeu ai- aia aib aie aii ail aio air ais ait aiu al- ala alb ale ali all alo alr als alt alu aoa aob aoe aoi aol aoo aor aos aot aou ar- ara arb are ari arl aro arr ars art aru as- asa asb ase asi asl aso asr ass ast asu at- ata atb ate ati atl ato atr ats att atu au- aua aub aue aui aul auo aur aus aut b-u baa bab bae bai bal bao bar bas bat bau bba bbb bbe bbi bbl bbo bbr bbs bbt bbu be- bea beb bee bei bel beo ber bes bet beu bi- bia bib bie bii bil bio bir bis bit biu bla blb ble bli bll blo blr bls blt blu boa bob boe boi bol boo bor bos bot bou bra brb bre bri brl bro brr brs brt bru bsa bsb bse bsi bsl bso bsr bss bst bsu bta btb bte bti btl bto btr bts btt btu bua bub bue bui bul buo bur bus but buu eaa eab eae eai eal eao ear eas eat eau eba ebb ebe ebi ebl ebo ebr ebs ebt ebu eea eeb eee eel eeo eer ees eet eia eib eie eii eil eio eir eis eit eiu ela elb ele eli ell elo elr els elt elu 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 eta etb ete eti etl eto etr ets ett etu eu- eua eub eue eui eul eur eus eut ia- iaa iab iae iai ial iao iar ias iat iau iba ibb ibe ibi ibl ibo ibr ibs ibt ibu ie- iea iee iei iel ier ies iet iia iib iie iii iil iio iir iis iit iiu il- ila ilb ile ili ill ilo ilr ils ilt ilu io- ioa iob ioe ioi iol ioo ior ios iot iou ir- ira irb ire iri irl iro irr irs irt iru is- isa isb ise isi isl iso isr iss ist isu ita itb ite iti itl ito its itt itu iu- iua iub iue iui iur ius iut la- laa lab lae lai lal lao lar las lat lau lba lbb lbe lbi lbl lbo lbr lbs lbt lbu lea leb lee lei lel leo ler les let leu lia lib lie lii lil lio lir lis lit liu lla llb lle lli lll llo llr lls llt llu loa lob loe loi lol loo lor los lot lou 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 lua lub lue lui lul luo lur lus lut luu o-i oaa oab oae oai oal oao oar oas oat oau ob- oba obb obe obi obl obo obr obs obt obu oea oeb oee oei oel oeo oer oes oet 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 or- ora orb ore ori orl oro orr ors ort oru os- osa osb ose osi osl oso osr oss ost osu ot- ota otb ote oti otl oto otr ots ott otu ou- oua oue oui oul ouo our ous out ra- raa rab rae rai ral rao rar ras rat rau rba rbb rbe rbi rbl rbo rbr rbs rbt rbu re- rea reb ree rei rel reo rer res ret reu ria rib rie rii ril rio rir ris rit rla rle rli rll rlo rlr rls rlt rlu roa rob roe roi rol roo ror ros rot rou rra rrb rri rrl rrr rrs rrt rru rsa rsb rse rsi rsl rso rsr rss rst rsu rta rtb rte rti rtl rto rtr rts rtt rtu rua rub rue rui ruo rur rus rut ruu saa sab sae sai sal sao sar sas sat sau sba sbb sbe sbi sbl sbo sbr sbs sbt sbu se- sea seb see sei sel seo ser ses set seu sia sib sie sii sil sio sir sis sit siu sla slb sle sli sll slo slr sls slt slu soa sob soe soi sol soo sor sos sot sou sr- sra srb sre sri srl sro srr srs srt ss- ssa ssb sse ssi ssl sso ssr sss sst ssu sta stb ste sti stl sto str sts stt stu sua sub sue sui sul suo sur sus sut suu taa tab tae tai tal tao tar tas tat tau tba tbb tbe tbi tbl tbo tbr tbs tbt tbu te- tea teb tee tei tel teo ter tes tet teu tia tib tie tii til tio tir tis tit tiu tla tle tli tll tlo tlr tls tlt tlu to- toa tob toe toi tol too tor tos tot tou tra trb tre tri trl tro trr trs trt tru tsa tsb tse tsi tsl tso tsr tss tst tsu tta ttb tte tti ttl tto ttr tts ttt ttu tua tub tue tui tul tuo tur tus tut tuu ua- uaa uab uae uai ual uao uar uas uat uau uba ubb ube ubi ubl ubo ubr ubs ubt ubu uea ueb uee uei uel uer ues uet uia uib uie uii uil uio uir uis uit uiu ula ulb ule uli ull ulo ulr uls ult ulu uoa uob uoe uol uoo uor uos uot ur- ura urb ure uri url uro urr urs urt uru usa usb use usi usl uso usr uss ust usu uta utb ute uti utl uto utr