lcs lct lcu lea leb lec lee leg lei lej lel leo les let leu lga lgb lgc lge lgg lgi lgj lgl lgo lgs lgt lgu lia lib lic lie lig lii lij lil lio lis lit liu lje ljj ljs lju lla llb llc lle llg lli llj lll llo lls llt llu loa lob loc loe log loi loj lol loo los lot lou lsa lsb lsc lse lsg lsi lsj lsl lso lss lst lsu lta ltb ltc lte ltg lti ltl lto lts ltt ltu lua lub luc lue lug lui lul luo lus lut luu o-i oaa oab oac oae oag oai oaj oal oao oas oat oau ob- oba obb obc obe obg obi obj obl obo obs obt obu oc- oca ocb occ ocg oci ocj ocl oco ocs oct ocu oea oeb oec oee oeg oei oel oeo oes oet oga ogc oge ogg ogi ogl ogo ogs ogt oia oib oic oie oii oil oio ois oit oiu oja ojb ojc oje oji ojo ojs oju ola olb olc ole olg oli oll olo ols olt olu oo- ooa oob ooc oog ooi ool ooo oos oot os- osa osb osc ose osg osi osj osl oso oss ost osu ot- ota otb otc ote otg oti otl oto ots ott otu ou- oua ouc oue oui oul ouo ous out saa sab sac sae sag sai saj sal sao sas sat sau sba sbb sbc sbe sbg sbi sbj sbl sbo sbs sbt sbu sca scb scc sce scg sci scj scl sco scs sct scu se- sea seb sec see seg sei sej sel seo ses set seu sga sgb sgc sge sgg sgi sgl sgo sgs sgt sgu sia sib sic sie sig sii sij sil sio sis sit siu sja sjb sjc sje sji sjj sjs sjt sju sla slb slc sle slg sli slj sll slo sls slt slu soa sob soc soe sog soi soj sol soo sos sot sou ss- ssa ssb ssc sse ssg ssi ssj ssl sso sss sst ssu sta stb stc ste stg sti stj stl sto sts stt stu sua sub suc sue sug sui sul suo sus sut suu taa tab tac tae tag tai taj tal tao tas tat tau tba tbb tbc tbe tbg tbi tbj tbl tbo tbs tbt tbu tca tcb tcc tce tcg tci tcj tcl tco tcs tct tcu te- tea teb tec tee teg tei tej tel teo tes tet teu tga tgb tgc tge tgg tgi tgl tgo tgs tgt tgu tia tib tic tie tig tii til tio tis tit tiu tjc tje tji tjo tjs tju tla tlc tle tlg tli tlj tll tlo tls tlt tlu to- toa tob toc toe tog toi toj tol too tos tot tou tsa tsb tsc tse tsg tsi tsj tsl tso tss tst tsu tta ttb ttc tte ttg tti ttl tto tts ttt ttu tua tub tuc tue tug tui tuj tul tuo tus tut tuu ua- uaa uab uac uae uag uai uaj ual uao uas uat uau uba ubb ubc ube ubg ubi ubl ubo ubs ubt ubu uca ucb ucc uce ucg uci ucj ucl uco ucs uct ucu uea ueb uec uee ueg uei uel ues uet uga ugb ugc uge ugg ugi ugl ugo ugs ugt ugu uia uib uic uie uig uii uil uio uis uit uiu ujc uji ujo ujs ula ulb ulc ule ulg uli ull ulo uls ult ulu uoa uob uoc uoe uog uoj uol uoo uos uot usa usb usc use usg usi usj usl uso uss ust usu uta utb utc ute uti utj utl uto uts utt utu uua uuc uue uug uus uut uuu