nta ntb ntg nth nti ntn nto ntp ntr nts ntt o-i oaa oab oag oah oai oal oan oao oap oar oas oat ob- oba obb obg obh obi obl obn obo obp obr obs obt oga ogg ogh ogi ogl ogn ogo ogp ogs ogt oha ohg ohh ohi ohl ohn oho ohp ohr ohs oht oia oib oii oil oin oio oip oir ois oit ola olb olg oli oll oln olo olp ols olt on- ona onb ong onh oni onl onn ono onp onr ons ont oo- ooa oob oog ooh ooi ool oon ooo oop oor oos oot op- opa opb opg oph opi opl opn opo opp opr ops opt or- ora orb org orh ori orl orn oro orp orr ors ort os- osa osb osg osh osi osl osn oso osp osr oss ost ot- ota otb otg oth oti otl otn oto otp otr ots ott p-p paa pab pag pah pai pal pan pao pap par pas pat pba pbb pbg pbi pbl pbn pbo pbp pbr pbs pbt pga pgb pgg pgh pgi pgl pgn pgo pgp pgr pgs pgt pha phb phg phi phl phn pho php phr phs pht pia pib pig pih pii pil pin pio pip pir pis pit pla plb plg plh pli pll pln plo plp plr pls plt pn- pna pnb png pnh pni pnl pnn pno pnp pnr pns pnt poa pob pog poh poi pol pon poo pop por pos pot ppa ppb ppg pph ppi ppl ppn ppo ppp ppr pps ppt pra prb prg prh pri prl prn pro prp prr prs prt ps- psa psb psg psh psi psl psn pso psp psr pss pst pt- pta ptb ptg pth pti ptl ptn pto ptp ptr pts ptt ra- raa rab rag rah rai ral ran rao rap rar ras rat rba rbb rbg rbh rbi rbl rbn rbo rbp rbr rbs rbt rga rgb rgg rgh rgi rgn rgo rgp rgr rgs rgt rh- rha rhb rhg rhh rhi rhl rhn rho rhp rhr rhs rht ria rib rig rih rii ril rin rio rip rir ris rit rla rlg rlh rli rll rln rlo rlp rlr rls rlt rna rnb rng rnh rni rnn rno rnp rnr rns rnt roa rob rog roh roi rol ron roo rop ror ros rot rpa rpb rpg rph rpi rpl rpn rpo rpp rpr rps rpt rra rrb rrg rrh rri rrl rrn rrp rrr rrs rrt rsa rsb rsg rsh rsi rsl rsn rso rsp rsr rss rst rta rtb rtg rti rtl rtn rto rtp rtr rts rtt saa sab sag sah sai sal san sao sap sar sas sat sba sbb sbg sbh sbi sbl sbn sbo sbp sbr sbs sbt sga sgb sgg sgh sgi sgl sgn sgo sgp sgr sgs sgt sh- sha shb shg shh shi shl shn sho shp shr shs sht sia sib sig sih sii sil sin sio sip sir sis sit sla slb slg slh sli sll sln slo slp slr sls slt sna snb sng sni snl snn sno snp snr sns snt soa sob sog soh soi sol son soo sop sor sos sot spa spb spg sph spi spl spn spo spp spr sps spt sr- sra srb srg srh sri srl srn sro srp srr srs srt ss- ssa ssb ssg ssh ssi ssl ssn sso ssp ssr sss sst sta stb stg sth sti stl stn sto stp str sts stt taa tab tag tah tai tal tan tao tap tar tas tat tba tbb tbg tbh tbi tbl tbn tbo tbp tbr tbs tbt tga tgb tgg tgh tgi tgl tgn tgo tgp tgr tgs tgt th- tha thb thg thh thi thl thn tho thp thr ths tht tia tib tig tih tii til tin tio tip tir tis tit tla tlg tlh tli tll tln tlo tlp tlr tls tlt tna tnb tng tnh tni tnl tnn tno tnp tnr tns tnt to- toa tob tog toh toi tol ton too top tor tos tot tpa tpb tpg tph tpi tpl tpn tpo tpp tpr tps tpt tra trb trg trh tri trl trn tro trp trr trs trt tsa tsb tsg tsh tsi tsl tsn tso tsp tsr tss tst tta ttb ttg tth tti ttl ttn tto ttp ttr tts ttt