lcs lct lcu lea leb lec lee lef leg lek lel ler les let leu lfa lfb lfc lfe lff lfg lfk lfl lfr lfs lft lfu lga lgb lgc lge lgf lgg lgk lgl lgr lgs lgt lgu lka lkb lkg lkl lkr lks lkt lla llb llc lle llf llg llk lll llr lls llt llu lra lrb lrc lrf lrg lrk lrr lrs lrt lru lsa lsb lsc lse lsf lsg lsk lsl lsr lss lst lsu lta ltb ltc lte ltf ltg ltk ltl ltr lts ltt ltu lua lub luc lue luf lug luk lul lur lus lut luu ra- raa rab rac rae raf rag rak ral rar ras rat rau rba rbb rbc rbe rbf rbg rbk rbl rbr rbs rbt rbu rca rcb rcc rce rcf rcg rcl rcr rcs rct rcu re- rea reb rec ree ref reg rek rel rer res ret reu rfa rfb rfc rfe rff rfg rfk rfl rfr rfs rft rfu rga rgb rgc rge rgf rgg rgk rgr rgs rgt rkb rkc rke rkf rkg rkk rks rkt rku rla rlc rle rlf rlg rll rlr rls rlt rlu rra rrb rrc rrf rrg rrk rrl rrr rrs rrt rru rsa rsb rsc rse rsf rsg rsk rsl rsr rss rst rsu rta rtb rtc rte rtf rtg rtk rtl rtr rts rtt rtu rua rub ruc rue ruf rug ruk rur rus rut ruu saa sab sac sae saf sag sak sal sar sas sat sau sba sbb sbc sbe sbf sbg sbk sbl sbr sbs sbt sbu sca scb scc sce scf scg sck scl scr scs sct scu se- sea seb sec see sef seg sek sel ser ses set seu sfa sfb sfc sfe sff sfg sfk sfl sfr sfs sft sfu sga sgb sgc sge sgf sgg sgk sgl sgr sgs sgt sgu sk- ska skb skc ske skf skg skk skl skr sks skt sku sla slb slc sle slf slg slk sll slr sls slt slu sr- sra srb src sre srf srg srk srl srr srs srt ss- ssa ssb ssc sse ssf ssg ssk ssl ssr sss sst ssu sta stb stc ste stf stg stk stl str sts stt stu sua sub suc sue suf sug suk sul sur sus sut suu taa tab tac tae taf tag tak tal tar tas tat tau tba tbb tbc tbe tbf tbg tbk tbl tbr tbs tbt tbu tca tcb tcc tce tcf tcg tck tcl tcr tcs tct tcu te- tea teb tec tee tef teg tek tel ter tes tet teu tfa tfb tfc tfe tff tfg tfk tfl tfr tfs tft tfu tga tgb tgc tge tgf tgg tgk tgl tgr tgs tgt tgu tka tkb tkc tke tkg tkk tkl tkr tks tkt tla tlc tle tlf tlg tlk tll tlr tls tlt tlu tra trb trc tre trf trg trk trl trr trs trt tru tsa tsb tsc tse tsf tsg tsk tsl tsr tss tst tsu tta ttb ttc tte ttf ttg ttk ttl ttr tts ttt ttu tua tub tuc tue tuf tug tuk tul tur tus tut tuu ua- uaa uab uac uae uaf uag uak ual uar uas uat uau uba ubb ubc ube ubf ubg ubk ubl ubr ubs ubt ubu uca ucb ucc uce ucf ucg uck ucl ucr ucs uct ucu uea ueb uec uee uef ueg uel uer ues uet ufa ufc ufe uff ufg ufl ufr ufs uft ufu uga ugb ugc uge ugf ugg ugk ugl ugr ugs ugt ugu uka ukb ukc uke ukf ukk ukl ukr uku ula ulb ulc ule ulf ulg ulk ull ulr uls ult ulu ur- ura urb urc ure urf urg urk url urr urs urt uru usa usb usc use usf usg usk usl usr uss ust usu uta utb utc ute utf utk utl utr uts utt utu uua uuc uue uug uur uus uut uuu

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