ntd ntg nth nti ntn nto ntp ntr nts ntt o-i oaa oab oad oag oah oai oan oao oap oar oas oat ob- oba obb obd obg obh obi obn obo obp obr obs obt oda odb odd odg odh odi odn odo odp odr ods odt oga ogd ogg ogh ogi ogn ogo ogp ogs ogt oha ohd ohg ohh ohi ohn oho ohp ohr ohs oht oia oib oid oii oin oio oip oir ois oit on- ona onb ond ong onh oni onn ono onp onr ons ont oo- ooa oob ood oog ooh ooi oon ooo oop oor oos oot op- opa opb opd opg oph opi opn opo opp opr ops opt or- ora orb ord org orh ori orn oro orp orr ors ort os- osa osb osd osg osh osi osn oso osp osr oss ost ot- ota otb otd otg oth oti otn oto otp otr ots ott p-p paa pab pad pag pah pai pan pao pap par pas pat pba pbb pbd pbg pbi pbn pbo pbp pbr pbs pbt pda pdb pdd pdg pdh pdi pdn pdo pdp pdr pds pdt pga pgb pgd pgg pgh pgi pgn pgo pgp pgr pgs pgt pha phb phd phg phi phn pho php phr phs pht pia pib pid pig pih pii pin pio pip pir pis pit pn- pna pnb pnd png pnh pni pnn pno pnp pnr pns pnt poa pob pod pog poh poi pon poo pop por pos pot ppa ppb ppd ppg pph ppi ppn ppo ppp ppr pps ppt pra prb prd prg prh pri prn pro prp prr prs prt ps- psa psb psd psg psh psi psn pso psp psr pss pst pt- pta ptb ptd ptg pth pti ptn pto ptp ptr pts ptt ra- raa rab rad rag rah rai ran rao rap rar ras rat rba rbb rbd rbg rbh rbi rbn rbo rbp rbr rbs rbt rda rdb rdd rdg rdh rdi rdn rdo rdp rdr rds rdt rga rgb rgd rgg rgh rgi rgn rgo rgp rgr rgs rgt rh- rha rhb rhd rhg rhh rhi rhn rho rhp rhr rhs rht ria rib rid rig rih rii rin rio rip rir ris rit rna rnb rnd rng rnh rni rnn rno rnp rnr rns rnt roa rob rod rog roh roi ron roo rop ror ros rot rpa rpb rpd rpg rph rpi rpn rpo rpp rpr rps rpt rra rrb rrd rrg rrh rri rrn rrp rrr rrs rrt rsa rsb rsd rsg rsh rsi rsn rso rsp rsr rss rst rta rtb rtd rtg rti rtn rto rtp rtr rts rtt saa sab sad sag sah sai san sao sap sar sas sat sba sbb sbd sbg sbh sbi sbn sbo sbp sbr sbs sbt sda sdb sdd sdg sdh sdi sdn sdo sdp sdr sds sdt sga sgb sgd sgg sgh sgi sgn sgo sgp sgr sgs sgt sh- sha shb shd shg shh shi shn sho shp shr shs sht sia sib sid sig sih sii sin sio sip sir sis sit sna snb snd sng sni snn sno snp snr sns snt soa sob sod sog soh soi son soo sop sor sos sot spa spb spd spg sph spi spn spo spp spr sps spt sr- sra srb srd srg srh sri srn sro srp srr srs srt ss- ssa ssb ssd ssg ssh ssi ssn sso ssp ssr sss sst sta stb std stg sth sti stn sto stp str sts stt taa tab tad tag tah tai tan tao tap tar tas tat tba tbb tbd tbg tbh tbi tbn tbo tbp tbr tbs tbt tda tdb tdd tdg tdh tdi tdn tdo tdp tdr tds tdt tga tgb tgg tgh tgi tgn tgo tgp tgr tgs tgt th- tha thb thd thg thh thi thn tho thp thr ths tht tia tib tid tig tih tii tin tio tip tir tis tit tna tnb tnd tng tnh tni tnn tno tnp tnr tns tnt to- toa tob tod tog toh toi ton too top tor tos tot tpa tpb tpd tpg tph tpi tpn tpo tpp tpr tps tpt tra trb trd trg trh tri trn tro trp trr trs trt tsa tsb tsd tsg tsh tsi tsn tso tsp tsr tss tst tta ttb ttd ttg tth tti ttn tto ttp ttr tts ttt