let leu lfa lfb lfe lff lfh lfi lfk lfl lfn lfs lft lfu lha lhb lhf lhh lhi lhk lhs lht lhu lia lib lie lif lih lii lik lil lin lis lit liu lka lkb lkh lkl lks lkt lla llb lle llf lli llk lll lln lls llt llu lna lnb lne lnh lni lnk lnl lnn lns lnt lnu lsa lsb lse lsf lsh lsi lsk lsl lsn lss lst lsu lta ltb lte ltf lth lti ltk ltl lts ltt ltu lua lub lue luf luh lui luk lul lun lus lut luu n-i naa nab nae naf nah nai nak nal nan nas nat nau nba nbb nbe nbf nbi nbk nbl nbn nbs nbt nbu ne- nea neb nee nef neh nei nek nel nen nes net neu nfa nfb nfe nff nfi nfk nfl nfn nfs nft nfu nha nhb nhe nhf nhh nhi nhk nhl nhn nhs nht nhu nia nib nie nif nih nii nik nil nin nis nit niu nka nke nkf nki nkk nkn nks nkt nku nla nlb nle nlf nlh nli nlk nll nln nls nlt nlu nna nnb nne nnf nnh nni nnk nnl nnn nns nnt nnu nsa nsb nse nsf nsh nsi nsk nsl nsn nss nst nsu nta ntb nte ntf nth nti ntk ntn nts ntt ntu nua nub nue nuh nui nuk nul nun nus nut nuu saa sab sae saf sah sai sak sal san sas sat sau sba sbb sbe sbf sbh sbi sbk sbl sbn sbs sbt sbu se- sea seb see sef seh sei sek sel sen ses set seu sfa sfb sfe sff sfh sfi sfk sfl sfn sfs sft sfu sh- sha shb she shf shh shi shk shl shn shs sht shu sia sib sie sif sih sii sik sil sin sis sit siu sk- ska skb ske skf skh ski skk skl sks skt sku sla slb sle slf slh sli slk sll sln sls slt slu sna snb sne snf sni snk snl snn sns snt snu ss- ssa ssb sse ssf ssh ssi ssk ssl ssn sss sst ssu sta stb ste stf sth sti stk stl stn sts stt stu sua sub sue suf suh sui suk sul sun sus sut suu taa tab tae taf tah tai tak tal tan tas tat tau tba tbb tbe tbf tbh tbi tbk tbl tbn tbs tbt tbu te- tea teb tee tef teh tei tek tel ten tes tet teu tfa tfb tfe tff tfh tfi tfk tfl tfn tfs tft tfu th- tha thb the thf thh thi thk thl thn ths tht thu tia tib tie tif tih tii tik til tin tis tit tiu tka tkb tke tkk tkl tks tkt tla tle tlf tlh tli tlk tll tln tls tlt tlu tna tnb tne tnf tnh tni tnk tnl tnn tns tnt tsa tsb tse tsf tsh tsi tsk tsl tsn tss tst tsu tta ttb tte ttf tth tti ttk ttl ttn tts ttt ttu tua tub tue tuf tuh tui tuk tul tun tus tut tuu ua- uaa uab uae uaf uah uai uak ual uan uas uat uau uba ubb ube ubf ubh ubi ubk ubl ubn ubs ubt ubu uea ueb uee uef ueh uei uel uen ues uet ufa ufe uff ufh ufi ufl ufn ufs uft ufu uha uhb uhe uhf uhh uhi uhl uhs uht uhu uia uib uie uif uii uil uin uis uit uiu uka ukb uke ukf uki ukk ukl ukn uku ula ulb ule ulf uli ulk ull uln uls ult ulu un- una unb une unf unh uni unk unl unn uns unt unu usa usb use usf ush usi usk usl usn uss ust usu uta utb ute utf uth uti utk utl utn uts utt utu uua uue uun uus uut uuu