hsa hsb hsc hse hsf hsg hsh hsi hsl hsr hss hst hta htb htc hte htf htg hth hti htl htr hts htt i-f ia- iaa iab iac iae iaf iag iah iai ial iar ias iat iba ibb ibc ibe ibf ibg ibh ibi ibl ibr ibs ibt ica icb icc ice icf icg ich ici icl icr ics ict ie- iea iec iee ief ieg iei iel ier ies iet ifa ifb ifc ife iff ifg ifi ifl ifr ifs ift iga igb igc ige igf igg igh igi igl igr igs igt iha ihb ihc ihe ihf ihg ihh ihi ihl ihr ihs iht iia iib iic iie iif iih iii iil iir iis iit il- ila ilb ilc ile ilf ilg ilh ili ill ilr ils ilt ir- ira irb irc ire irf irg iri irl irr irs irt is- isa isb isc ise isf isg ish isi isl isr iss ist ita itb itc ite itf itg ith iti itl its itt la- laa lab lac lae laf lag lah lai lal lar las lat lba lbb lbc lbe lbf lbg lbh lbi lbl lbr lbs lbt lca lcb lcc lce lcf lcg lch lci lcl lcr lcs lct lea leb lec lee lef leg leh lei lel ler les let lfa lfb lfc lfe lff lfg lfh lfi lfl lfr lfs lft lga lgb lgc lge lgf lgg lgh lgi lgl lgr lgs lgt lha lhb lhc lhf lhh lhi lhr lhs lht lia lib lic lie lif lig lih lii lil lir lis lit lla llb llc lle llf llg lli lll llr lls llt lra lrb lrc lrf lrg lrh lri lrr lrs lrt lsa lsb lsc lse lsf lsg lsh lsi lsl lsr lss lst lta ltb ltc lte ltf ltg lth lti ltl ltr lts ltt ra- raa rab rac rae raf rag rah rai ral rar ras rat rba rbb rbc rbe rbf rbg rbh rbi rbl rbr rbs rbt rca rcb rcc rce rcf rcg rch rci rcl rcr rcs rct re- rea reb rec ree ref reg reh rei rel rer res ret rfa rfb rfc rfe rff rfg rfh rfi rfl rfr rfs rft rga rgb rgc rge rgf rgg rgh rgi rgr rgs rgt rh- rha rhb rhc rhe rhf rhg rhh rhi rhl rhr rhs rht ria rib ric rie rif rig rih rii ril rir ris rit rla rlc rle rlf rlg rlh rli rll rlr rls rlt rra rrb rrc rrf rrg rrh rri rrl rrr rrs rrt rsa rsb rsc rse rsf rsg rsh rsi rsl rsr rss rst rta rtb rtc rte rtf rtg rti rtl rtr rts rtt saa sab sac sae saf sag sah sai sal sar sas sat sba sbb sbc sbe sbf sbg sbh sbi sbl sbr sbs sbt sca scb scc sce scf scg sch sci scl scr scs sct se- sea seb sec see sef seg seh sei sel ser ses set sfa sfb sfc sfe sff sfg sfh sfi sfl sfr sfs sft sga sgb sgc sge sgf sgg sgh sgi sgl sgr sgs sgt sh- sha shb shc she shf shg shh shi shl shr shs sht sia sib sic sie sif sig sih sii sil sir sis sit sla slb slc sle slf slg slh sli sll slr sls slt sr- sra srb src sre srf srg srh sri srl srr srs srt ss- ssa ssb ssc sse ssf ssg ssh ssi ssl ssr sss sst sta stb stc ste stf stg sth sti stl str sts stt taa tab tac tae taf tag tah tai tal tar tas tat tba tbb tbc tbe tbf tbg tbh tbi tbl tbr tbs tbt tca tcb tcc tce tcf tcg tch tci tcl tcr tcs tct te- tea teb tec tee tef teg teh tei tel ter tes tet tfa tfb tfc tfe tff tfg tfh tfi tfl tfr tfs tft tga tgb tgc tge tgf tgg tgh tgi tgl tgr tgs tgt th- tha thb thc the thf thg thh thi thl thr ths tht tia tib tic tie tif tig tih tii til tir tis tit tla tlc tle tlf tlg tlh tli tll tlr tls tlt tra trb trc tre trf trg trh tri trl trr trs trt tsa tsb tsc tse tsf tsg tsh tsi tsl tsr tss tst tta ttb ttc tte ttf ttg tth tti ttl ttr tts ttt

-ase a-be a-ha a-ii aaaa aaab aaac aaae aaaf aaah aaai aaal aaar aaas aaba aabb aabc aabh aabi aabl aabt aaca aacb aacc aace aacf aach aaci aacl aacr aacs aact aaea aaec aaes aafa aafb aafc aaff aafi aafl aage aagh aaha aahl aahs aaib aaic aaii aais aala aalc aale aali aall aals aara aarc aare aari aars aart aasa aasc aase aasf aasi aass aast aata aatc aatf aatt abaa abab abac abae abaf abag abai abal abar abas abat abb- abba abbb abbe abbi abbr abbs abbt abca abcb abcc abcf abch abci abcl abcr abcs abct abec abee abel aber abes abet abff abgl abha abhi abhr abhs abia abib abic abie abig abil abir abis abit abla able abls abra abrc abri abrs abs- absa abse absf absi absl abss abta abts ac-t acaa acab acac acae acag acai acar acas acat acba acbl acca accc acce accf acch acci accs acct ace- acea acec aceh acel acer aces acet acfc acfe acfi acfl acfs acft acga acgi acgr acgs acha ache achh achi achl achr achs acht aci- acia acic acie acif acir acis acla aclc acle acli aclr acls acr- acra acrc acre acri acrr acrs acsa acsc acse acsi acsl acss acst acta actc acte actf actg acth acti actl acts actt aeac aeaf aeas aebi aebs aecb aeci aecl aect aeer aega aeit aela aelc aer- aera aerc aeri aers aesc aess aest aeta aetc aetf aetr aett afaa afar afat afbs afca afcb afcc afch