nsb nsd nse nsh nsi nsn nso nsp nsr nss nst nta ntb ntd nte nth nti ntn nto ntp ntr nts ntt o-i oaa oab oad oae oah oai oan oao oap oar oas oat ob- oba obb obd obe obh obi obn obo obp obr obs obt oda odb odd ode odh odi odn odo odp odr ods odt oea oeb oed oee oeh oei oen oeo oep oer oes oet oha ohd ohe ohh ohi ohn oho ohp ohr ohs oht oia oib oid oie oii oin oio oip oir ois oit on- ona onb ond one onh oni onn ono onp onr ons ont oo- ooa oob ood ooh ooi oon ooo oop oor oos oot op- opa opb opd ope oph opi opn opo opp opr ops opt or- ora orb ord ore orh ori orn oro orp orr ors ort os- osa osb osd ose osh osi osn oso osp osr oss ost ot- ota otb otd ote oth oti otn oto otp otr ots ott p-p paa pab pad pae pah pai pan pao pap par pas pat pba pbb pbd pbe pbi pbn pbo pbp pbr pbs pbt pda pdb pdd pde pdh pdi pdn pdo pdp pdr pds pdt pea peb ped pee peh pei pen peo pep per pes pet pha phb phd phe phi phn pho php phr phs pht pia pib pid pie pih pii pin pio pip pir pis pit pn- pna pnb pnd pne pnh pni pnn pno pnp pnr pns pnt poa pob pod poe poh poi pon poo pop por pos pot ppa ppb ppd ppe pph ppi ppn ppo ppp ppr pps ppt pra prb prd pre prh pri prn pro prp prr prs prt ps- psa psb psd pse psh psi psn pso psp psr pss pst pt- pta ptb ptd pte pth pti ptn pto ptp ptr pts ptt ra- raa rab rad rae rah rai ran rao rap rar ras rat rba rbb rbd rbe rbh rbi rbn rbo rbp rbr rbs rbt rda rdb rdd rde rdh rdi rdn rdo rdp rdr rds rdt re- rea reb red ree reh rei ren reo rep rer res ret rh- rha rhb rhd rhe rhh rhi rhn rho rhp rhr rhs rht ria rib rid rie rih rii rin rio rip rir ris rit rna rnb rnd rnh rni rnn rno rnp rnr rns rnt roa rob rod roe roh roi ron roo rop ror ros rot rpa rpb rpd rpe rph rpi rpn rpo rpp rpr rps rpt rra rrb rrd rrh rri rrn rrp rrr rrs rrt rsa rsb rsd rse rsh rsi rsn rso rsp rsr rss rst rta rtb rtd rte rti rtn rto rtp rtr rts rtt saa sab sad sae sah sai san sao sap sar sas sat sba sbb sbd sbe sbh sbi sbn sbo sbp sbr sbs sbt sda sdb sdd sde sdh sdi sdn sdo sdp sdr sds sdt se- sea seb sed see seh sei sen seo sep ser ses set sh- sha shb shd she shh shi shn sho shp shr shs sht sia sib sid sie sih sii sin sio sip sir sis sit sna snb snd sne sni snn sno snp snr sns snt soa sob sod soe soh soi son soo sop sor sos sot spa spb spd spe sph spi spn spo spp spr sps spt sr- sra srb srd sre srh sri srn sro srp srr srs srt ss- ssa ssb ssd sse ssh ssi ssn sso ssp ssr sss sst sta stb std ste sth sti stn sto stp str sts stt taa tab tad tae tah tai tan tao tap tar tas tat tba tbb tbd tbe tbh tbi tbn tbo tbp tbr tbs tbt tda tdb tdd tde tdh tdi tdn tdo tdp tdr tds tdt te- tea teb ted tee teh tei ten teo tep ter tes tet th- tha thb thd the thh thi thn tho thp thr ths tht tia tib tid tie tih tii tin tio tip tir tis tit tna tnb tnd tne tnh tni tnn tno tnp tnr tns tnt to- toa tob tod toe toh toi ton too top tor tos tot tpa tpb tpd tpe tph tpi tpn tpo tpp tpr tps tpt tra trb trd tre trh tri trn tro trp trr trs trt tsa tsb tsd tse tsh tsi tsn tso tsp tsr tss tst tta ttb ttd tte tth tti ttn tto ttp ttr tts ttt